Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
authorLinus Torvalds <torvalds@linux-foundation.org>
Thu, 31 Dec 2015 22:46:49 +0000 (14:46 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 31 Dec 2015 22:46:49 +0000 (14:46 -0800)
Pull sparc fixes from David Miller:
 "Just some missing syscall wire ups"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
  sparc: Wire up mlock2 system call.
  sparc: Add all necessary direct socket system calls.

98 files changed:
Documentation/devicetree/bindings/net/cpsw.txt
Makefile
arch/arc/Makefile
arch/arc/include/asm/cache.h
arch/arc/kernel/unwind.c
arch/arc/mm/highmem.c
arch/arm/boot/dts/imx6q-gw5400-a.dts
arch/arm/boot/dts/imx6qdl-gw51xx.dtsi
arch/arm/boot/dts/imx6qdl-gw52xx.dtsi
arch/arm/boot/dts/imx6qdl-gw53xx.dtsi
arch/arm/boot/dts/imx6qdl-gw54xx.dtsi
arch/arm/boot/dts/imx6qdl-sabreauto.dtsi
arch/arm/boot/dts/omap4-duovero-parlor.dts
arch/arm/boot/dts/sun6i-a31s-primo81.dts
arch/arm/boot/dts/tegra124-nyan.dtsi
arch/arm/kernel/sys_oabi-compat.c
arch/arm/mach-omap2/Kconfig
arch/arm/mach-omap2/timer.c
arch/m32r/include/asm/Kbuild
arch/m32r/include/asm/io.h
arch/mips/include/asm/uaccess.h
arch/mips/kernel/cps-vec.S
arch/mips/kernel/mips_ksyms.c
arch/mips/lib/memset.S
arch/mips/pci/pci-rt2880.c
arch/mips/pmcs-msp71xx/msp_setup.c
arch/mips/sni/reset.c
arch/mips/vdso/Makefile
arch/x86/xen/suspend.c
block/blk-core.c
block/blk-merge.c
crypto/algif_skcipher.c
drivers/acpi/processor_driver.c
drivers/block/null_blk.c
drivers/bus/sunxi-rsb.c
drivers/cpufreq/scpi-cpufreq.c
drivers/infiniband/core/cma.c
drivers/infiniband/hw/mlx4/srq.c
drivers/infiniband/hw/ocrdma/ocrdma.h
drivers/infiniband/hw/ocrdma/ocrdma_hw.c
drivers/infiniband/hw/ocrdma/ocrdma_hw.h
drivers/infiniband/hw/ocrdma/ocrdma_main.c
drivers/infiniband/hw/ocrdma/ocrdma_sli.h
drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
drivers/lightnvm/gennvm.c
drivers/md/md.c
drivers/memory/fsl_ifc.c
drivers/mtd/ubi/debug.c
drivers/mtd/ubi/io.c
drivers/mtd/ubi/wl.c
drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
drivers/net/ethernet/emulex/benet/be.h
drivers/net/ethernet/emulex/benet/be_main.c
drivers/net/ethernet/emulex/benet/be_roce.c
drivers/net/ethernet/emulex/benet/be_roce.h
drivers/net/ethernet/mellanox/mlx4/en_clock.c
drivers/net/ethernet/mellanox/mlx4/en_main.c
drivers/net/ethernet/mellanox/mlx4/en_netdev.c
drivers/net/ethernet/natsemi/natsemi.c
drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c
drivers/net/ethernet/renesas/sh_eth.c
drivers/net/ethernet/renesas/sh_eth.h
drivers/net/ethernet/ti/cpsw.c
drivers/net/geneve.c
drivers/net/hamradio/6pack.c
drivers/net/hamradio/mkiss.c
drivers/net/usb/cdc_mbim.c
drivers/net/usb/cdc_ncm.c
drivers/net/veth.c
drivers/net/wireless/iwlwifi/iwl-7000.c
drivers/net/wireless/iwlwifi/mvm/sta.c
fs/ocfs2/dlm/dlmmaster.c
fs/ocfs2/locks.c
fs/ocfs2/resize.c
include/linux/blkdev.h
include/linux/usb/cdc_ncm.h
include/linux/vmstat.h
lib/rhashtable.c
mm/memcontrol.c
mm/memory_hotplug.c
mm/vmstat.c
net/bridge/br_stp_if.c
net/ipv4/ipip.c
net/ipv4/xfrm4_policy.c
net/ipv6/addrconf.c
net/ipv6/addrlabel.c
net/ipv6/ndisc.c
net/ipv6/xfrm6_policy.c
net/netfilter/nf_tables_netdev.c
net/netfilter/nft_ct.c
net/openvswitch/conntrack.c
net/openvswitch/flow_netlink.c
net/sctp/sm_statefuns.c
net/sctp/socket.c
net/socket.c
net/xfrm/xfrm_policy.c
scripts/recordmcount.c
security/keys/keyctl.c

index 9853f8e..28a4781 100644 (file)
@@ -40,18 +40,18 @@ Optional properties:
 
 Slave Properties:
 Required properties:
-- phy_id               : Specifies slave phy id
 - phy-mode             : See ethernet.txt file in the same directory
 
 Optional properties:
 - dual_emac_res_vlan   : Specifies VID to be used to segregate the ports
 - mac-address          : See ethernet.txt file in the same directory
+- phy_id               : Specifies slave phy id
 - phy-handle           : See ethernet.txt file in the same directory
 
 Slave sub-nodes:
 - fixed-link           : See fixed-link.txt file in the same directory
-                         Either the properties phy_id and phy-mode,
-                         or the sub-node fixed-link can be specified
+                         Either the property phy_id, or the sub-node
+                         fixed-link can be specified
 
 Note: "ti,hwmods" field is used to fetch the base address and irq
 resources from TI, omap hwmod data base during device registration.
index 4e2b18d..1122433 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 4
 PATCHLEVEL = 4
 SUBLEVEL = 0
-EXTRAVERSION = -rc6
+EXTRAVERSION = -rc7
 NAME = Blurry Fish Butt
 
 # *DOCUMENTATION*
index cf0cf34..aeb1902 100644 (file)
@@ -81,7 +81,7 @@ endif
 LIBGCC := $(shell $(CC) $(cflags-y) --print-libgcc-file-name)
 
 # Modules with short calls might break for calls into builtin-kernel
-KBUILD_CFLAGS_MODULE   += -mlong-calls
+KBUILD_CFLAGS_MODULE   += -mlong-calls -mno-millicode
 
 # Finally dump eveything into kernel build system
 KBUILD_CFLAGS  += $(cflags-y)
index abf06e8..210ef3e 100644 (file)
@@ -62,9 +62,7 @@ extern int ioc_exists;
 #define ARC_REG_IC_IVIC                0x10
 #define ARC_REG_IC_CTRL                0x11
 #define ARC_REG_IC_IVIL                0x19
-#if defined(CONFIG_ARC_MMU_V3) || defined(CONFIG_ARC_MMU_V4)
 #define ARC_REG_IC_PTAG                0x1E
-#endif
 #define ARC_REG_IC_PTAG_HI     0x1F
 
 /* Bit val in IC_CTRL */
index cf2828a..5eb7076 100644 (file)
@@ -293,13 +293,13 @@ static void init_unwind_hdr(struct unwind_table *table,
                const u32 *cie = cie_for_fde(fde, table);
                signed ptrType;
 
-               if (cie == &not_fde)    /* only process FDE here */
+               if (cie == &not_fde)
                        continue;
                if (cie == NULL || cie == &bad_cie)
-                       continue;       /* say FDE->CIE.version != 1 */
+                       goto ret_err;
                ptrType = fde_pointer_type(cie);
                if (ptrType < 0)
-                       continue;
+                       goto ret_err;
 
                ptr = (const u8 *)(fde + 2);
                if (!read_pointer(&ptr, (const u8 *)(fde + 1) + *fde,
@@ -315,14 +315,14 @@ static void init_unwind_hdr(struct unwind_table *table,
        }
 
        if (tableSize || !n)
-               return;
+               goto ret_err;
 
        hdrSize = 4 + sizeof(unsigned long) + sizeof(unsigned int)
            + 2 * n * sizeof(unsigned long);
 
        header = alloc(hdrSize);
        if (!header)
-               return;
+               goto ret_err;
 
        header->version = 1;
        header->eh_frame_ptr_enc = DW_EH_PE_abs | DW_EH_PE_native;
@@ -343,10 +343,6 @@ static void init_unwind_hdr(struct unwind_table *table,
 
                if (fde[1] == 0xffffffff)
                        continue;       /* this is a CIE */
-
-               if (*(u8 *)(cie + 2) != 1)
-                       continue;       /* FDE->CIE.version not supported */
-
                ptr = (const u8 *)(fde + 2);
                header->table[n].start = read_pointer(&ptr,
                                                      (const u8 *)(fde + 1) +
@@ -365,6 +361,10 @@ static void init_unwind_hdr(struct unwind_table *table,
        table->hdrsz = hdrSize;
        smp_wmb();
        table->header = (const void *)header;
+       return;
+
+ret_err:
+       panic("Attention !!! Dwarf FDE parsing errors\n");;
 }
 
 #ifdef CONFIG_MODULES
@@ -523,8 +523,7 @@ static const u32 *cie_for_fde(const u32 *fde, const struct unwind_table *table)
 
        if (*cie <= sizeof(*cie) + 4 || *cie >= fde[1] - sizeof(*fde)
            || (*cie & (sizeof(*cie) - 1))
-           || (cie[1] != 0xffffffff)
-           || ( *(u8 *)(cie + 2) != 1))   /* version 1 supported */
+           || (cie[1] != 0xffffffff))
                return NULL;    /* this is not a (valid) CIE */
        return cie;
 }
@@ -605,9 +604,6 @@ static signed fde_pointer_type(const u32 *cie)
        const u8 *ptr = (const u8 *)(cie + 2);
        unsigned version = *ptr;
 
-       if (version != 1)
-               return -1;      /* unsupported */
-
        if (*++ptr) {
                const char *aug;
                const u8 *end = (const u8 *)(cie + 1) + *cie;
@@ -1019,9 +1015,7 @@ int arc_unwind(struct unwind_frame_info *frame)
                ptr = (const u8 *)(cie + 2);
                end = (const u8 *)(cie + 1) + *cie;
                frame->call_frame = 1;
-               if ((state.version = *ptr) != 1)
-                       cie = NULL;     /* unsupported version */
-               else if (*++ptr) {
+               if (*++ptr) {
                        /* check if augmentation size is first (thus present) */
                        if (*ptr == 'z') {
                                while (++ptr < end && *ptr) {
index 065ee6b..92dd92c 100644 (file)
@@ -111,7 +111,7 @@ void __kunmap_atomic(void *kv)
 }
 EXPORT_SYMBOL(__kunmap_atomic);
 
-noinline pte_t *alloc_kmap_pgtable(unsigned long kvaddr)
+static noinline pte_t * __init alloc_kmap_pgtable(unsigned long kvaddr)
 {
        pgd_t *pgd_k;
        pud_t *pud_k;
@@ -127,7 +127,7 @@ noinline pte_t *alloc_kmap_pgtable(unsigned long kvaddr)
        return pte_k;
 }
 
-void kmap_init(void)
+void __init kmap_init(void)
 {
        /* Due to recursive include hell, we can't do this in processor.h */
        BUILD_BUG_ON(PAGE_OFFSET < (VMALLOC_END + FIXMAP_SIZE + PKMAP_SIZE));
index 58adf17..a51834e 100644 (file)
 &fec {
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_enet>;
-       phy-mode = "rgmii";
+       phy-mode = "rgmii-id";
        phy-reset-gpios = <&gpio1 30 GPIO_ACTIVE_HIGH>;
        status = "okay";
 };
index 7b31fdb..dc0cebf 100644 (file)
@@ -94,7 +94,7 @@
 &fec {
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_enet>;
-       phy-mode = "rgmii";
+       phy-mode = "rgmii-id";
        phy-reset-gpios = <&gpio1 30 GPIO_ACTIVE_LOW>;
        status = "okay";
 };
index 1b66328..18cd411 100644 (file)
 &fec {
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_enet>;
-       phy-mode = "rgmii";
+       phy-mode = "rgmii-id";
        phy-reset-gpios = <&gpio1 30 GPIO_ACTIVE_LOW>;
        status = "okay";
 };
index 7c51839..eea90f3 100644 (file)
 &fec {
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_enet>;
-       phy-mode = "rgmii";
+       phy-mode = "rgmii-id";
        phy-reset-gpios = <&gpio1 30 GPIO_ACTIVE_LOW>;
        status = "okay";
 };
index 929e0b3..6c11a2a 100644 (file)
 &fec {
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_enet>;
-       phy-mode = "rgmii";
+       phy-mode = "rgmii-id";
        phy-reset-gpios = <&gpio1 30 GPIO_ACTIVE_LOW>;
        status = "okay";
 };
index 8263fc1..d354d40 100644 (file)
 &clks {
        assigned-clocks = <&clks IMX6QDL_PLL4_BYPASS_SRC>,
                          <&clks IMX6QDL_PLL4_BYPASS>,
-                         <&clks IMX6QDL_CLK_PLL4_POST_DIV>,
                          <&clks IMX6QDL_CLK_LDB_DI0_SEL>,
-                         <&clks IMX6QDL_CLK_LDB_DI1_SEL>;
+                         <&clks IMX6QDL_CLK_LDB_DI1_SEL>,
+                         <&clks IMX6QDL_CLK_PLL4_POST_DIV>;
        assigned-clock-parents = <&clks IMX6QDL_CLK_LVDS2_IN>,
                                 <&clks IMX6QDL_PLL4_BYPASS_SRC>,
                                 <&clks IMX6QDL_CLK_PLL3_USB_OTG>,
                                 <&clks IMX6QDL_CLK_PLL3_USB_OTG>;
-       assigned-clock-rates = <0>, <0>, <24576000>;
+       assigned-clock-rates = <0>, <0>, <0>, <0>, <24576000>;
 };
 
 &ecspi1 {
index 1a78f01..b75f7b2 100644 (file)
        };
 };
 
+&uart3 {
+       interrupts-extended = <&wakeupgen GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH
+                              &omap4_pmx_core OMAP4_UART3_RX>;
+};
index 2d4250b..68b479b 100644 (file)
@@ -83,6 +83,7 @@
                reg = <0x5d>;
                interrupt-parent = <&pio>;
                interrupts = <0 3 IRQ_TYPE_LEVEL_HIGH>; /* PA3 */
+               touchscreen-swapped-x-y;
        };
 };
 
index 40c23a0..ec1aa64 100644 (file)
 
        /* CPU DFLL clock */
        clock@0,70110000 {
-               status = "okay";
+               status = "disabled";
                vdd-cpu-supply = <&vdd_cpu>;
                nvidia,i2c-fs-rate = <400000>;
        };
index b83f3b7..087acb5 100644 (file)
@@ -193,15 +193,44 @@ struct oabi_flock64 {
        pid_t   l_pid;
 } __attribute__ ((packed,aligned(4)));
 
-asmlinkage long sys_oabi_fcntl64(unsigned int fd, unsigned int cmd,
+static long do_locks(unsigned int fd, unsigned int cmd,
                                 unsigned long arg)
 {
-       struct oabi_flock64 user;
        struct flock64 kernel;
-       mm_segment_t fs = USER_DS; /* initialized to kill a warning */
-       unsigned long local_arg = arg;
-       int ret;
+       struct oabi_flock64 user;
+       mm_segment_t fs;
+       long ret;
+
+       if (copy_from_user(&user, (struct oabi_flock64 __user *)arg,
+                          sizeof(user)))
+               return -EFAULT;
+       kernel.l_type   = user.l_type;
+       kernel.l_whence = user.l_whence;
+       kernel.l_start  = user.l_start;
+       kernel.l_len    = user.l_len;
+       kernel.l_pid    = user.l_pid;
+
+       fs = get_fs();
+       set_fs(KERNEL_DS);
+       ret = sys_fcntl64(fd, cmd, (unsigned long)&kernel);
+       set_fs(fs);
+
+       if (!ret && (cmd == F_GETLK64 || cmd == F_OFD_GETLK)) {
+               user.l_type     = kernel.l_type;
+               user.l_whence   = kernel.l_whence;
+               user.l_start    = kernel.l_start;
+               user.l_len      = kernel.l_len;
+               user.l_pid      = kernel.l_pid;
+               if (copy_to_user((struct oabi_flock64 __user *)arg,
+                                &user, sizeof(user)))
+                       ret = -EFAULT;
+       }
+       return ret;
+}
 
+asmlinkage long sys_oabi_fcntl64(unsigned int fd, unsigned int cmd,
+                                unsigned long arg)
+{
        switch (cmd) {
        case F_OFD_GETLK:
        case F_OFD_SETLK:
@@ -209,39 +238,11 @@ asmlinkage long sys_oabi_fcntl64(unsigned int fd, unsigned int cmd,
        case F_GETLK64:
        case F_SETLK64:
        case F_SETLKW64:
-               if (copy_from_user(&user, (struct oabi_flock64 __user *)arg,
-                                  sizeof(user)))
-                       return -EFAULT;
-               kernel.l_type   = user.l_type;
-               kernel.l_whence = user.l_whence;
-               kernel.l_start  = user.l_start;
-               kernel.l_len    = user.l_len;
-               kernel.l_pid    = user.l_pid;
-               local_arg = (unsigned long)&kernel;
-               fs = get_fs();
-               set_fs(KERNEL_DS);
-       }
-
-       ret = sys_fcntl64(fd, cmd, local_arg);
+               return do_locks(fd, cmd, arg);
 
-       switch (cmd) {
-       case F_GETLK64:
-               if (!ret) {
-                       user.l_type     = kernel.l_type;
-                       user.l_whence   = kernel.l_whence;
-                       user.l_start    = kernel.l_start;
-                       user.l_len      = kernel.l_len;
-                       user.l_pid      = kernel.l_pid;
-                       if (copy_to_user((struct oabi_flock64 __user *)arg,
-                                        &user, sizeof(user)))
-                               ret = -EFAULT;
-               }
-       case F_SETLK64:
-       case F_SETLKW64:
-               set_fs(fs);
+       default:
+               return sys_fcntl64(fd, cmd, arg);
        }
-
-       return ret;
 }
 
 struct oabi_epoll_event {
index 4b4371d..0517f0c 100644 (file)
@@ -65,6 +65,8 @@ config SOC_AM43XX
        select MACH_OMAP_GENERIC
        select MIGHT_HAVE_CACHE_L2X0
        select HAVE_ARM_SCU
+       select GENERIC_CLOCKEVENTS_BROADCAST
+       select HAVE_ARM_TWD
 
 config SOC_DRA7XX
        bool "TI DRA7XX"
index b18ebbe..f86692d 100644 (file)
@@ -320,6 +320,12 @@ static int __init omap_dm_timer_init_one(struct omap_dm_timer *timer,
        return r;
 }
 
+#if !defined(CONFIG_SMP) && defined(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST)
+void tick_broadcast(const struct cpumask *mask)
+{
+}
+#endif
+
 static void __init omap2_gp_clockevent_init(int gptimer_id,
                                                const char *fck_source,
                                                const char *property)
index fd104bd..860e440 100644 (file)
@@ -3,6 +3,7 @@ generic-y += clkdev.h
 generic-y += cputime.h
 generic-y += exec.h
 generic-y += irq_work.h
+generic-y += kvm_para.h
 generic-y += mcs_spinlock.h
 generic-y += mm-arch-hooks.h
 generic-y += module.h
index 61b8931..4b0f5e0 100644 (file)
@@ -168,13 +168,21 @@ static inline void _writel(unsigned long l, unsigned long addr)
 #define writew_relaxed writew
 #define writel_relaxed writel
 
-#define ioread8 read
+#define ioread8 readb
 #define ioread16 readw
 #define ioread32 readl
 #define iowrite8 writeb
 #define iowrite16 writew
 #define iowrite32 writel
 
+#define ioread8_rep(p, dst, count) insb((unsigned long)(p), (dst), (count))
+#define ioread16_rep(p, dst, count) insw((unsigned long)(p), (dst), (count))
+#define ioread32_rep(p, dst, count) insl((unsigned long)(p), (dst), (count))
+
+#define iowrite8_rep(p, src, count) outsb((unsigned long)(p), (src), (count))
+#define iowrite16_rep(p, src, count) outsw((unsigned long)(p), (src), (count))
+#define iowrite32_rep(p, src, count) outsl((unsigned long)(p), (src), (count))
+
 #define ioread16be(addr)       be16_to_cpu(readw(addr))
 #define ioread32be(addr)       be32_to_cpu(readl(addr))
 #define iowrite16be(v, addr)   writew(cpu_to_be16(v), (addr))
index 5305d69..095ecaf 100644 (file)
@@ -599,7 +599,7 @@ extern void __put_user_unknown(void);
  * On error, the variable @x is set to zero.
  */
 #define __get_user_unaligned(x,ptr) \
-       __get_user__unalignednocheck((x),(ptr),sizeof(*(ptr)))
+       __get_user_unaligned_nocheck((x),(ptr),sizeof(*(ptr)))
 
 /*
  * Yuck.  We need two variants, one for 64bit operation and one
@@ -620,8 +620,8 @@ extern void __get_user_unaligned_unknown(void);
 do {                                                                   \
        switch (size) {                                                 \
        case 1: __get_data_asm(val, "lb", ptr); break;                  \
-       case 2: __get_user_unaligned_asm(val, "ulh", ptr); break;       \
-       case 4: __get_user_unaligned_asm(val, "ulw", ptr); break;       \
+       case 2: __get_data_unaligned_asm(val, "ulh", ptr); break;       \
+       case 4: __get_data_unaligned_asm(val, "ulw", ptr); break;       \
        case 8: __GET_USER_UNALIGNED_DW(val, ptr); break;               \
        default: __get_user_unaligned_unknown(); break;                 \
        }                                                               \
@@ -1122,9 +1122,15 @@ extern size_t __copy_in_user_eva(void *__to, const void *__from, size_t __n);
        __cu_to = (to);                                                 \
        __cu_from = (from);                                             \
        __cu_len = (n);                                                 \
-       might_fault();                                                  \
-       __cu_len = __invoke_copy_from_user(__cu_to, __cu_from,          \
-                                          __cu_len);                   \
+       if (eva_kernel_access()) {                                      \
+               __cu_len = __invoke_copy_from_kernel(__cu_to,           \
+                                                    __cu_from,         \
+                                                    __cu_len);         \
+       } else {                                                        \
+               might_fault();                                          \
+               __cu_len = __invoke_copy_from_user(__cu_to, __cu_from,  \
+                                                  __cu_len);           \
+       }                                                               \
        __cu_len;                                                       \
 })
 
@@ -1229,16 +1235,28 @@ __clear_user(void __user *addr, __kernel_size_t size)
 {
        __kernel_size_t res;
 
-       might_fault();
-       __asm__ __volatile__(
-               "move\t$4, %1\n\t"
-               "move\t$5, $0\n\t"
-               "move\t$6, %2\n\t"
-               __MODULE_JAL(__bzero)
-               "move\t%0, $6"
-               : "=r" (res)
-               : "r" (addr), "r" (size)
-               : "$4", "$5", "$6", __UA_t0, __UA_t1, "$31");
+       if (eva_kernel_access()) {
+               __asm__ __volatile__(
+                       "move\t$4, %1\n\t"
+                       "move\t$5, $0\n\t"
+                       "move\t$6, %2\n\t"
+                       __MODULE_JAL(__bzero_kernel)
+                       "move\t%0, $6"
+                       : "=r" (res)
+                       : "r" (addr), "r" (size)
+                       : "$4", "$5", "$6", __UA_t0, __UA_t1, "$31");
+       } else {
+               might_fault();
+               __asm__ __volatile__(
+                       "move\t$4, %1\n\t"
+                       "move\t$5, $0\n\t"
+                       "move\t$6, %2\n\t"
+                       __MODULE_JAL(__bzero)
+                       "move\t%0, $6"
+                       : "=r" (res)
+                       : "r" (addr), "r" (size)
+                       : "$4", "$5", "$6", __UA_t0, __UA_t1, "$31");
+       }
 
        return res;
 }
@@ -1384,7 +1402,7 @@ static inline long strlen_user(const char __user *s)
                might_fault();
                __asm__ __volatile__(
                        "move\t$4, %1\n\t"
-                       __MODULE_JAL(__strlen_kernel_asm)
+                       __MODULE_JAL(__strlen_user_asm)
                        "move\t%0, $2"
                        : "=r" (res)
                        : "r" (s)
index 8fd5a27..ac81edd 100644 (file)
@@ -257,7 +257,6 @@ LEAF(mips_cps_core_init)
        has_mt  t0, 3f
 
        .set    push
-       .set    mips64r2
        .set    mt
 
        /* Only allow 1 TC per VPE to execute... */
@@ -376,7 +375,6 @@ LEAF(mips_cps_boot_vpes)
         nop
 
        .set    push
-       .set    mips64r2
        .set    mt
 
 1:     /* Enter VPE configuration state */
index 291af0b..e2b6ab7 100644 (file)
@@ -17,6 +17,7 @@
 #include <asm/fpu.h>
 #include <asm/msa.h>
 
+extern void *__bzero_kernel(void *__s, size_t __count);
 extern void *__bzero(void *__s, size_t __count);
 extern long __strncpy_from_kernel_nocheck_asm(char *__to,
                                              const char *__from, long __len);
@@ -64,6 +65,7 @@ EXPORT_SYMBOL(__copy_from_user_eva);
 EXPORT_SYMBOL(__copy_in_user_eva);
 EXPORT_SYMBOL(__copy_to_user_eva);
 EXPORT_SYMBOL(__copy_user_inatomic_eva);
+EXPORT_SYMBOL(__bzero_kernel);
 #endif
 EXPORT_SYMBOL(__bzero);
 EXPORT_SYMBOL(__strncpy_from_kernel_nocheck_asm);
index b8e63fd..8f0019a 100644 (file)
@@ -283,6 +283,8 @@ LEAF(memset)
 1:
 #ifndef CONFIG_EVA
 FEXPORT(__bzero)
+#else
+FEXPORT(__bzero_kernel)
 #endif
        __BUILD_BZERO LEGACY_MODE
 
index dbbeccc..a245cad 100644 (file)
@@ -221,7 +221,6 @@ int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
 static int rt288x_pci_probe(struct platform_device *pdev)
 {
        void __iomem *io_map_base;
-       int i;
 
        rt2880_pci_base = ioremap_nocache(RT2880_PCI_BASE, PAGE_SIZE);
 
index 78b2ef4..9d293b3 100644 (file)
@@ -39,7 +39,6 @@ extern void msp_serial_setup(void);
 void msp7120_reset(void)
 {
        void *start, *end, *iptr;
-       register int i;
 
        /* Diasble all interrupts */
        local_irq_disable();
index db8f88b..6afa343 100644 (file)
@@ -26,7 +26,7 @@ static inline void kb_wait(void)
 /* XXX This ends up at the ARC firmware prompt ...  */
 void sni_machine_restart(char *command)
 {
-       int i, j;
+       int i;
 
        /* This does a normal via the keyboard controller like a PC.
           We can do that easier ...  */
index ef5f348..018f8c7 100644 (file)
@@ -26,8 +26,8 @@ aflags-vdso := $(ccflags-vdso) \
 # the comments on that file.
 #
 ifndef CONFIG_CPU_MIPSR6
-  ifeq ($(call ld-ifversion, -gt, 22400000, y),)
-    $(warning MIPS VDSO requires binutils > 2.24)
+  ifeq ($(call ld-ifversion, -lt, 22500000, y),)
+    $(warning MIPS VDSO requires binutils >= 2.25)
     obj-vdso-y := $(filter-out gettimeofday.o, $(obj-vdso-y))
     ccflags-vdso += -DDISABLE_MIPS_VDSO
   endif
index 3705eab..df0c405 100644 (file)
@@ -1,6 +1,7 @@
 #include <linux/types.h>
 #include <linux/tick.h>
 
+#include <xen/xen.h>
 #include <xen/interface/xen.h>
 #include <xen/grant_table.h>
 #include <xen/events.h>
index c487b94..33e2f62 100644 (file)
@@ -206,6 +206,22 @@ void blk_delay_queue(struct request_queue *q, unsigned long msecs)
 }
 EXPORT_SYMBOL(blk_delay_queue);
 
+/**
+ * blk_start_queue_async - asynchronously restart a previously stopped queue
+ * @q:    The &struct request_queue in question
+ *
+ * Description:
+ *   blk_start_queue_async() will clear the stop flag on the queue, and
+ *   ensure that the request_fn for the queue is run from an async
+ *   context.
+ **/
+void blk_start_queue_async(struct request_queue *q)
+{
+       queue_flag_clear(QUEUE_FLAG_STOPPED, q);
+       blk_run_queue_async(q);
+}
+EXPORT_SYMBOL(blk_start_queue_async);
+
 /**
  * blk_start_queue - restart a previously stopped queue
  * @q:    The &struct request_queue in question
index e01405a..e73846a 100644 (file)
@@ -81,7 +81,7 @@ static struct bio *blk_bio_segment_split(struct request_queue *q,
        struct bio *new = NULL;
 
        bio_for_each_segment(bv, bio, iter) {
-               if (sectors + (bv.bv_len >> 9) > queue_max_sectors(q))
+               if (sectors + (bv.bv_len >> 9) > blk_max_size_offset(q, bio->bi_iter.bi_sector))
                        goto split;
 
                /*
index ca9efe1..634b4d1 100644 (file)
@@ -47,7 +47,7 @@ struct skcipher_ctx {
        bool merge;
        bool enc;
 
-       struct ablkcipher_request req;
+       struct skcipher_request req;
 };
 
 struct skcipher_async_rsgl {
@@ -64,13 +64,13 @@ struct skcipher_async_req {
 };
 
 #define GET_SREQ(areq, ctx) (struct skcipher_async_req *)((char *)areq + \
-       crypto_ablkcipher_reqsize(crypto_ablkcipher_reqtfm(&ctx->req)))
+       crypto_skcipher_reqsize(crypto_skcipher_reqtfm(&ctx->req)))
 
 #define GET_REQ_SIZE(ctx) \
-       crypto_ablkcipher_reqsize(crypto_ablkcipher_reqtfm(&ctx->req))
+       crypto_skcipher_reqsize(crypto_skcipher_reqtfm(&ctx->req))
 
 #define GET_IV_SIZE(ctx) \
-       crypto_ablkcipher_ivsize(crypto_ablkcipher_reqtfm(&ctx->req))
+       crypto_skcipher_ivsize(crypto_skcipher_reqtfm(&ctx->req))
 
 #define MAX_SGL_ENTS ((4096 - sizeof(struct skcipher_sg_list)) / \
                      sizeof(struct scatterlist) - 1)
@@ -302,8 +302,8 @@ static int skcipher_sendmsg(struct socket *sock, struct msghdr *msg,
        struct sock *sk = sock->sk;
        struct alg_sock *ask = alg_sk(sk);
        struct skcipher_ctx *ctx = ask->private;
-       struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(&ctx->req);
-       unsigned ivsize = crypto_ablkcipher_ivsize(tfm);
+       struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(&ctx->req);
+       unsigned ivsize = crypto_skcipher_ivsize(tfm);
        struct skcipher_sg_list *sgl;
        struct af_alg_control con = {};
        long copied = 0;
@@ -507,7 +507,7 @@ static int skcipher_recvmsg_async(struct socket *sock, struct msghdr *msg,
        struct skcipher_sg_list *sgl;
        struct scatterlist *sg;
        struct skcipher_async_req *sreq;
-       struct ablkcipher_request *req;
+       struct skcipher_request *req;
        struct skcipher_async_rsgl *last_rsgl = NULL;
        unsigned int txbufs = 0, len = 0, tx_nents = skcipher_all_sg_nents(ctx);
        unsigned int reqlen = sizeof(struct skcipher_async_req) +
@@ -531,9 +531,9 @@ static int skcipher_recvmsg_async(struct socket *sock, struct msghdr *msg,
        }
        sg_init_table(sreq->tsg, tx_nents);
        memcpy(sreq->iv, ctx->iv, GET_IV_SIZE(ctx));
-       ablkcipher_request_set_tfm(req, crypto_ablkcipher_reqtfm(&ctx->req));
-       ablkcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
-                                       skcipher_async_cb, sk);
+       skcipher_request_set_tfm(req, crypto_skcipher_reqtfm(&ctx->req));
+       skcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
+                                     skcipher_async_cb, sk);
 
        while (iov_iter_count(&msg->msg_iter)) {
                struct skcipher_async_rsgl *rsgl;
@@ -608,10 +608,10 @@ static int skcipher_recvmsg_async(struct socket *sock, struct msghdr *msg,
        if (mark)
                sg_mark_end(sreq->tsg + txbufs - 1);
 
-       ablkcipher_request_set_crypt(req, sreq->tsg, sreq->first_sgl.sgl.sg,
-                                    len, sreq->iv);
-       err = ctx->enc ? crypto_ablkcipher_encrypt(req) :
-                        crypto_ablkcipher_decrypt(req);
+       skcipher_request_set_crypt(req, sreq->tsg, sreq->first_sgl.sgl.sg,
+                                  len, sreq->iv);
+       err = ctx->enc ? crypto_skcipher_encrypt(req) :
+                        crypto_skcipher_decrypt(req);
        if (err == -EINPROGRESS) {
                atomic_inc(&ctx->inflight);
                err = -EIOCBQUEUED;
@@ -632,7 +632,7 @@ static int skcipher_recvmsg_sync(struct socket *sock, struct msghdr *msg,
        struct sock *sk = sock->sk;
        struct alg_sock *ask = alg_sk(sk);
        struct skcipher_ctx *ctx = ask->private;
-       unsigned bs = crypto_ablkcipher_blocksize(crypto_ablkcipher_reqtfm(
+       unsigned bs = crypto_skcipher_blocksize(crypto_skcipher_reqtfm(
                &ctx->req));
        struct skcipher_sg_list *sgl;
        struct scatterlist *sg;
@@ -669,14 +669,13 @@ static int skcipher_recvmsg_sync(struct socket *sock, struct msghdr *msg,
                if (!used)
                        goto free;
 
-               ablkcipher_request_set_crypt(&ctx->req, sg,
-                                            ctx->rsgl.sg, used,
-                                            ctx->iv);
+               skcipher_request_set_crypt(&ctx->req, sg, ctx->rsgl.sg, used,
+                                          ctx->iv);
 
                err = af_alg_wait_for_completion(
                                ctx->enc ?
-                                       crypto_ablkcipher_encrypt(&ctx->req) :
-                                       crypto_ablkcipher_decrypt(&ctx->req),
+                                       crypto_skcipher_encrypt(&ctx->req) :
+                                       crypto_skcipher_decrypt(&ctx->req),
                                &ctx->completion);
 
 free:
@@ -751,17 +750,17 @@ static struct proto_ops algif_skcipher_ops = {
 
 static void *skcipher_bind(const char *name, u32 type, u32 mask)
 {
-       return crypto_alloc_ablkcipher(name, type, mask);
+       return crypto_alloc_skcipher(name, type, mask);
 }
 
 static void skcipher_release(void *private)
 {
-       crypto_free_ablkcipher(private);
+       crypto_free_skcipher(private);
 }
 
 static int skcipher_setkey(void *private, const u8 *key, unsigned int keylen)
 {
-       return crypto_ablkcipher_setkey(private, key, keylen);
+       return crypto_skcipher_setkey(private, key, keylen);
 }
 
 static void skcipher_wait(struct sock *sk)
@@ -778,13 +777,13 @@ static void skcipher_sock_destruct(struct sock *sk)
 {
        struct alg_sock *ask = alg_sk(sk);
        struct skcipher_ctx *ctx = ask->private;
-       struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(&ctx->req);
+       struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(&ctx->req);
 
        if (atomic_read(&ctx->inflight))
                skcipher_wait(sk);
 
        skcipher_free_sgl(sk);
-       sock_kzfree_s(sk, ctx->iv, crypto_ablkcipher_ivsize(tfm));
+       sock_kzfree_s(sk, ctx->iv, crypto_skcipher_ivsize(tfm));
        sock_kfree_s(sk, ctx, ctx->len);
        af_alg_release_parent(sk);
 }
@@ -793,20 +792,20 @@ static int skcipher_accept_parent(void *private, struct sock *sk)
 {
        struct skcipher_ctx *ctx;
        struct alg_sock *ask = alg_sk(sk);
-       unsigned int len = sizeof(*ctx) + crypto_ablkcipher_reqsize(private);
+       unsigned int len = sizeof(*ctx) + crypto_skcipher_reqsize(private);
 
        ctx = sock_kmalloc(sk, len, GFP_KERNEL);
        if (!ctx)
                return -ENOMEM;
 
-       ctx->iv = sock_kmalloc(sk, crypto_ablkcipher_ivsize(private),
+       ctx->iv = sock_kmalloc(sk, crypto_skcipher_ivsize(private),
                               GFP_KERNEL);
        if (!ctx->iv) {
                sock_kfree_s(sk, ctx, len);
                return -ENOMEM;
        }
 
-       memset(ctx->iv, 0, crypto_ablkcipher_ivsize(private));
+       memset(ctx->iv, 0, crypto_skcipher_ivsize(private));
 
        INIT_LIST_HEAD(&ctx->tsgl);
        ctx->len = len;
@@ -819,9 +818,9 @@ static int skcipher_accept_parent(void *private, struct sock *sk)
 
        ask->private = ctx;
 
-       ablkcipher_request_set_tfm(&ctx->req, private);
-       ablkcipher_request_set_callback(&ctx->req, CRYPTO_TFM_REQ_MAY_BACKLOG,
-                                       af_alg_complete, &ctx->completion);
+       skcipher_request_set_tfm(&ctx->req, private);
+       skcipher_request_set_callback(&ctx->req, CRYPTO_TFM_REQ_MAY_BACKLOG,
+                                     af_alg_complete, &ctx->completion);
 
        sk->sk_destruct = skcipher_sock_destruct;
 
index f4e02ae..11154a3 100644 (file)
@@ -200,7 +200,8 @@ static int acpi_pss_perf_init(struct acpi_processor *pr,
                goto err_remove_sysfs_thermal;
        }
 
-       sysfs_remove_link(&pr->cdev->device.kobj, "device");
+       return 0;
+
  err_remove_sysfs_thermal:
        sysfs_remove_link(&device->dev.kobj, "thermal_cooling");
  err_thermal_unregister:
index a428e4e..09e3c0d 100644 (file)
@@ -232,20 +232,19 @@ static void end_cmd(struct nullb_cmd *cmd)
                break;
        case NULL_Q_BIO:
                bio_endio(cmd->bio);
-               goto free_cmd;
+               break;
        }
 
+       free_cmd(cmd);
+
        /* Restart queue if needed, as we are freeing a tag */
-       if (q && !q->mq_ops && blk_queue_stopped(q)) {
+       if (queue_mode == NULL_Q_RQ && blk_queue_stopped(q)) {
                unsigned long flags;
 
                spin_lock_irqsave(q->queue_lock, flags);
-               if (blk_queue_stopped(q))
-                       blk_start_queue(q);
+               blk_start_queue_async(q);
                spin_unlock_irqrestore(q->queue_lock, flags);
        }
-free_cmd:
-       free_cmd(cmd);
 }
 
 static enum hrtimer_restart null_cmd_timer_expired(struct hrtimer *timer)
index 846bc29..25996e2 100644 (file)
@@ -342,13 +342,13 @@ static int sunxi_rsb_read(struct sunxi_rsb *rsb, u8 rtaddr, u8 addr,
 
        ret = _sunxi_rsb_run_xfer(rsb);
        if (ret)
-               goto out;
+               goto unlock;
 
        *buf = readl(rsb->regs + RSB_DATA);
 
+unlock:
        mutex_unlock(&rsb->lock);
 
-out:
        return ret;
 }
 
@@ -527,9 +527,9 @@ static int sunxi_rsb_init_device_mode(struct sunxi_rsb *rsb)
  */
 
 static const struct sunxi_rsb_addr_map sunxi_rsb_addr_maps[] = {
-       { 0x3e3, 0x2d }, /* Primary PMIC: AXP223, AXP809, AXP81X, ... */
+       { 0x3a3, 0x2d }, /* Primary PMIC: AXP223, AXP809, AXP81X, ... */
        { 0x745, 0x3a }, /* Secondary PMIC: AXP806, ... */
-       { 0xe89, 0x45 }, /* Peripheral IC: AC100, ... */
+       { 0xe89, 0x4e }, /* Peripheral IC: AC100, ... */
 };
 
 static u8 sunxi_rsb_get_rtaddr(u16 hwaddr)
index 2c3b16f..de5e89b 100644 (file)
@@ -31,7 +31,7 @@ static struct scpi_ops *scpi_ops;
 
 static struct scpi_dvfs_info *scpi_get_dvfs_info(struct device *cpu_dev)
 {
-       u8 domain = topology_physical_package_id(cpu_dev->id);
+       int domain = topology_physical_package_id(cpu_dev->id);
 
        if (domain < 0)
                return ERR_PTR(-EINVAL);
index d2d5d00..2d762a2 100644 (file)
@@ -1265,15 +1265,17 @@ static bool cma_protocol_roce(const struct rdma_cm_id *id)
        return cma_protocol_roce_dev_port(device, port_num);
 }
 
-static bool cma_match_net_dev(const struct rdma_id_private *id_priv,
-                             const struct net_device *net_dev)
+static bool cma_match_net_dev(const struct rdma_cm_id *id,
+                             const struct net_device *net_dev,
+                             u8 port_num)
 {
-       const struct rdma_addr *addr = &id_priv->id.route.addr;
+       const struct rdma_addr *addr = &id->route.addr;
 
        if (!net_dev)
                /* This request is an AF_IB request or a RoCE request */
-               return addr->src_addr.ss_family == AF_IB ||
-                      cma_protocol_roce(&id_priv->id);
+               return (!id->port_num || id->port_num == port_num) &&
+                      (addr->src_addr.ss_family == AF_IB ||
+                       cma_protocol_roce_dev_port(id->device, port_num));
 
        return !addr->dev_addr.bound_dev_if ||
               (net_eq(dev_net(net_dev), addr->dev_addr.net) &&
@@ -1295,13 +1297,13 @@ static struct rdma_id_private *cma_find_listener(
        hlist_for_each_entry(id_priv, &bind_list->owners, node) {
                if (cma_match_private_data(id_priv, ib_event->private_data)) {
                        if (id_priv->id.device == cm_id->device &&
-                           cma_match_net_dev(id_priv, net_dev))
+                           cma_match_net_dev(&id_priv->id, net_dev, req->port))
                                return id_priv;
                        list_for_each_entry(id_priv_dev,
                                            &id_priv->listen_list,
                                            listen_list) {
                                if (id_priv_dev->id.device == cm_id->device &&
-                                   cma_match_net_dev(id_priv_dev, net_dev))
+                                   cma_match_net_dev(&id_priv_dev->id, net_dev, req->port))
                                        return id_priv_dev;
                        }
                }
index 8d133c4..c394376 100644 (file)
@@ -286,7 +286,7 @@ int mlx4_ib_destroy_srq(struct ib_srq *srq)
                mlx4_ib_db_unmap_user(to_mucontext(srq->uobject->context), &msrq->db);
                ib_umem_release(msrq->umem);
        } else {
-               kfree(msrq->wrid);
+               kvfree(msrq->wrid);
                mlx4_buf_free(dev->dev, msrq->msrq.max << msrq->msrq.wqe_shift,
                              &msrq->buf);
                mlx4_db_free(dev->dev, &msrq->db);
index ae80590..040bb8b 100644 (file)
@@ -232,6 +232,10 @@ struct phy_info {
        u16 interface_type;
 };
 
+enum ocrdma_flags {
+       OCRDMA_FLAGS_LINK_STATUS_INIT = 0x01
+};
+
 struct ocrdma_dev {
        struct ib_device ibdev;
        struct ocrdma_dev_attr attr;
@@ -287,6 +291,7 @@ struct ocrdma_dev {
        atomic_t update_sl;
        u16 pvid;
        u32 asic_id;
+       u32 flags;
 
        ulong last_stats_time;
        struct mutex stats_lock; /* provide synch for debugfs operations */
@@ -591,4 +596,9 @@ static inline u8 ocrdma_is_enabled_and_synced(u32 state)
                (state & OCRDMA_STATE_FLAG_SYNC);
 }
 
+static inline u8 ocrdma_get_ae_link_state(u32 ae_state)
+{
+       return ((ae_state & OCRDMA_AE_LSC_LS_MASK) >> OCRDMA_AE_LSC_LS_SHIFT);
+}
+
 #endif
index 30f67be..283ca84 100644 (file)
@@ -579,6 +579,8 @@ static int ocrdma_mbx_create_mq(struct ocrdma_dev *dev,
 
        cmd->async_event_bitmap = BIT(OCRDMA_ASYNC_GRP5_EVE_CODE);
        cmd->async_event_bitmap |= BIT(OCRDMA_ASYNC_RDMA_EVE_CODE);
+       /* Request link events on this  MQ. */
+       cmd->async_event_bitmap |= BIT(OCRDMA_ASYNC_LINK_EVE_CODE);
 
        cmd->async_cqid_ringsize = cq->id;
        cmd->async_cqid_ringsize |= (ocrdma_encoded_q_len(mq->len) <<
@@ -819,20 +821,42 @@ static void ocrdma_process_grp5_aync(struct ocrdma_dev *dev,
        }
 }
 
+static void ocrdma_process_link_state(struct ocrdma_dev *dev,
+                                     struct ocrdma_ae_mcqe *cqe)
+{
+       struct ocrdma_ae_lnkst_mcqe *evt;
+       u8 lstate;
+
+       evt = (struct ocrdma_ae_lnkst_mcqe *)cqe;
+       lstate = ocrdma_get_ae_link_state(evt->speed_state_ptn);
+
+       if (!(lstate & OCRDMA_AE_LSC_LLINK_MASK))
+               return;
+
+       if (dev->flags & OCRDMA_FLAGS_LINK_STATUS_INIT)
+               ocrdma_update_link_state(dev, (lstate & OCRDMA_LINK_ST_MASK));
+}
+
 static void ocrdma_process_acqe(struct ocrdma_dev *dev, void *ae_cqe)
 {
        /* async CQE processing */
        struct ocrdma_ae_mcqe *cqe = ae_cqe;
        u32 evt_code = (cqe->valid_ae_event & OCRDMA_AE_MCQE_EVENT_CODE_MASK) >>
                        OCRDMA_AE_MCQE_EVENT_CODE_SHIFT;
-
-       if (evt_code == OCRDMA_ASYNC_RDMA_EVE_CODE)
+       switch (evt_code) {
+       case OCRDMA_ASYNC_LINK_EVE_CODE:
+               ocrdma_process_link_state(dev, cqe);
+               break;
+       case OCRDMA_ASYNC_RDMA_EVE_CODE:
                ocrdma_dispatch_ibevent(dev, cqe);
-       else if (evt_code == OCRDMA_ASYNC_GRP5_EVE_CODE)
+               break;
+       case OCRDMA_ASYNC_GRP5_EVE_CODE:
                ocrdma_process_grp5_aync(dev, cqe);
-       else
+               break;
+       default:
                pr_err("%s(%d) invalid evt code=0x%x\n", __func__,
                       dev->id, evt_code);
+       }
 }
 
 static void ocrdma_process_mcqe(struct ocrdma_dev *dev, struct ocrdma_mcqe *cqe)
@@ -1363,7 +1387,8 @@ mbx_err:
        return status;
 }
 
-int ocrdma_mbx_get_link_speed(struct ocrdma_dev *dev, u8 *lnk_speed)
+int ocrdma_mbx_get_link_speed(struct ocrdma_dev *dev, u8 *lnk_speed,
+                             u8 *lnk_state)
 {
        int status = -ENOMEM;
        struct ocrdma_get_link_speed_rsp *rsp;
@@ -1384,8 +1409,11 @@ int ocrdma_mbx_get_link_speed(struct ocrdma_dev *dev, u8 *lnk_speed)
                goto mbx_err;
 
        rsp = (struct ocrdma_get_link_speed_rsp *)cmd;
-       *lnk_speed = (rsp->pflt_pps_ld_pnum & OCRDMA_PHY_PS_MASK)
-                       >> OCRDMA_PHY_PS_SHIFT;
+       if (lnk_speed)
+               *lnk_speed = (rsp->pflt_pps_ld_pnum & OCRDMA_PHY_PS_MASK)
+                             >> OCRDMA_PHY_PS_SHIFT;
+       if (lnk_state)
+               *lnk_state = (rsp->res_lnk_st & OCRDMA_LINK_ST_MASK);
 
 mbx_err:
        kfree(cmd);
@@ -2515,9 +2543,10 @@ static int ocrdma_set_av_params(struct ocrdma_qp *qp,
        ocrdma_cpu_to_le32(&cmd->params.sgid[0], sizeof(cmd->params.sgid));
        cmd->params.vlan_dmac_b4_to_b5 = mac_addr[4] | (mac_addr[5] << 8);
 
-       if (vlan_id < 0x1000) {
-               if (dev->pfc_state) {
-                       vlan_id = 0;
+       if (vlan_id == 0xFFFF)
+               vlan_id = 0;
+       if (vlan_id || dev->pfc_state) {
+               if (!vlan_id) {
                        pr_err("ocrdma%d:Using VLAN with PFC is recommended\n",
                               dev->id);
                        pr_err("ocrdma%d:Using VLAN 0 for this connection\n",
index 7ed885c..ebc1f44 100644 (file)
@@ -106,7 +106,8 @@ void ocrdma_ring_cq_db(struct ocrdma_dev *, u16 cq_id, bool armed,
                       bool solicited, u16 cqe_popped);
 
 /* verbs specific mailbox commands */
-int ocrdma_mbx_get_link_speed(struct ocrdma_dev *dev, u8 *lnk_speed);
+int ocrdma_mbx_get_link_speed(struct ocrdma_dev *dev, u8 *lnk_speed,
+                             u8 *lnk_st);
 int ocrdma_query_config(struct ocrdma_dev *,
                        struct ocrdma_mbx_query_config *config);
 
@@ -153,5 +154,6 @@ char *port_speed_string(struct ocrdma_dev *dev);
 void ocrdma_init_service_level(struct ocrdma_dev *);
 void ocrdma_alloc_pd_pool(struct ocrdma_dev *dev);
 void ocrdma_free_pd_range(struct ocrdma_dev *dev);
+void ocrdma_update_link_state(struct ocrdma_dev *dev, u8 lstate);
 
 #endif                         /* __OCRDMA_HW_H__ */
index 62b7009..3afb40b 100644 (file)
@@ -290,6 +290,7 @@ static void ocrdma_remove_sysfiles(struct ocrdma_dev *dev)
 static struct ocrdma_dev *ocrdma_add(struct be_dev_info *dev_info)
 {
        int status = 0, i;
+       u8 lstate = 0;
        struct ocrdma_dev *dev;
 
        dev = (struct ocrdma_dev *)ib_alloc_device(sizeof(struct ocrdma_dev));
@@ -319,6 +320,11 @@ static struct ocrdma_dev *ocrdma_add(struct be_dev_info *dev_info)
        if (status)
                goto alloc_err;
 
+       /* Query Link state and update */
+       status = ocrdma_mbx_get_link_speed(dev, NULL, &lstate);
+       if (!status)
+               ocrdma_update_link_state(dev, lstate);
+
        for (i = 0; i < ARRAY_SIZE(ocrdma_attributes); i++)
                if (device_create_file(&dev->ibdev.dev, ocrdma_attributes[i]))
                        goto sysfs_err;
@@ -373,7 +379,7 @@ static void ocrdma_remove(struct ocrdma_dev *dev)
        ocrdma_remove_free(dev);
 }
 
-static int ocrdma_open(struct ocrdma_dev *dev)
+static int ocrdma_dispatch_port_active(struct ocrdma_dev *dev)
 {
        struct ib_event port_event;
 
@@ -384,32 +390,9 @@ static int ocrdma_open(struct ocrdma_dev *dev)
        return 0;
 }
 
-static int ocrdma_close(struct ocrdma_dev *dev)
+static int ocrdma_dispatch_port_error(struct ocrdma_dev *dev)
 {
-       int i;
-       struct ocrdma_qp *qp, **cur_qp;
        struct ib_event err_event;
-       struct ib_qp_attr attrs;
-       int attr_mask = IB_QP_STATE;
-
-       attrs.qp_state = IB_QPS_ERR;
-       mutex_lock(&dev->dev_lock);
-       if (dev->qp_tbl) {
-               cur_qp = dev->qp_tbl;
-               for (i = 0; i < OCRDMA_MAX_QP; i++) {
-                       qp = cur_qp[i];
-                       if (qp && qp->ibqp.qp_type != IB_QPT_GSI) {
-                               /* change the QP state to ERROR */
-                               _ocrdma_modify_qp(&qp->ibqp, &attrs, attr_mask);
-
-                               err_event.event = IB_EVENT_QP_FATAL;
-                               err_event.element.qp = &qp->ibqp;
-                               err_event.device = &dev->ibdev;
-                               ib_dispatch_event(&err_event);
-                       }
-               }
-       }
-       mutex_unlock(&dev->dev_lock);
 
        err_event.event = IB_EVENT_PORT_ERR;
        err_event.element.port_num = 1;
@@ -420,7 +403,7 @@ static int ocrdma_close(struct ocrdma_dev *dev)
 
 static void ocrdma_shutdown(struct ocrdma_dev *dev)
 {
-       ocrdma_close(dev);
+       ocrdma_dispatch_port_error(dev);
        ocrdma_remove(dev);
 }
 
@@ -431,18 +414,28 @@ static void ocrdma_shutdown(struct ocrdma_dev *dev)
 static void ocrdma_event_handler(struct ocrdma_dev *dev, u32 event)
 {
        switch (event) {
-       case BE_DEV_UP:
-               ocrdma_open(dev);
-               break;
-       case BE_DEV_DOWN:
-               ocrdma_close(dev);
-               break;
        case BE_DEV_SHUTDOWN:
                ocrdma_shutdown(dev);
                break;
+       default:
+               break;
        }
 }
 
+void ocrdma_update_link_state(struct ocrdma_dev *dev, u8 lstate)
+{
+       if (!(dev->flags & OCRDMA_FLAGS_LINK_STATUS_INIT)) {
+               dev->flags |= OCRDMA_FLAGS_LINK_STATUS_INIT;
+               if (!lstate)
+                       return;
+       }
+
+       if (!lstate)
+               ocrdma_dispatch_port_error(dev);
+       else
+               ocrdma_dispatch_port_active(dev);
+}
+
 static struct ocrdma_driver ocrdma_drv = {
        .name                   = "ocrdma_driver",
        .add                    = ocrdma_add,
index 6a38268..99dd6fd 100644 (file)
@@ -465,8 +465,11 @@ struct ocrdma_ae_qp_mcqe {
        u32 valid_ae_event;
 };
 
-#define OCRDMA_ASYNC_RDMA_EVE_CODE 0x14
-#define OCRDMA_ASYNC_GRP5_EVE_CODE 0x5
+enum ocrdma_async_event_code {
+       OCRDMA_ASYNC_LINK_EVE_CODE      = 0x01,
+       OCRDMA_ASYNC_GRP5_EVE_CODE      = 0x05,
+       OCRDMA_ASYNC_RDMA_EVE_CODE      = 0x14
+};
 
 enum ocrdma_async_grp5_events {
        OCRDMA_ASYNC_EVENT_QOS_VALUE    = 0x01,
@@ -489,6 +492,44 @@ enum OCRDMA_ASYNC_EVENT_TYPE {
        OCRDMA_MAX_ASYNC_ERRORS
 };
 
+struct ocrdma_ae_lnkst_mcqe {
+       u32 speed_state_ptn;
+       u32 qos_reason_falut;
+       u32 evt_tag;
+       u32 valid_ae_event;
+};
+
+enum {
+       OCRDMA_AE_LSC_PORT_NUM_MASK     = 0x3F,
+       OCRDMA_AE_LSC_PT_SHIFT          = 0x06,
+       OCRDMA_AE_LSC_PT_MASK           = (0x03 <<
+                       OCRDMA_AE_LSC_PT_SHIFT),
+       OCRDMA_AE_LSC_LS_SHIFT          = 0x08,
+       OCRDMA_AE_LSC_LS_MASK           = (0xFF <<
+                       OCRDMA_AE_LSC_LS_SHIFT),
+       OCRDMA_AE_LSC_LD_SHIFT          = 0x10,
+       OCRDMA_AE_LSC_LD_MASK           = (0xFF <<
+                       OCRDMA_AE_LSC_LD_SHIFT),
+       OCRDMA_AE_LSC_PPS_SHIFT         = 0x18,
+       OCRDMA_AE_LSC_PPS_MASK          = (0xFF <<
+                       OCRDMA_AE_LSC_PPS_SHIFT),
+       OCRDMA_AE_LSC_PPF_MASK          = 0xFF,
+       OCRDMA_AE_LSC_ER_SHIFT          = 0x08,
+       OCRDMA_AE_LSC_ER_MASK           = (0xFF <<
+                       OCRDMA_AE_LSC_ER_SHIFT),
+       OCRDMA_AE_LSC_QOS_SHIFT         = 0x10,
+       OCRDMA_AE_LSC_QOS_MASK          = (0xFFFF <<
+                       OCRDMA_AE_LSC_QOS_SHIFT)
+};
+
+enum {
+       OCRDMA_AE_LSC_PLINK_DOWN        = 0x00,
+       OCRDMA_AE_LSC_PLINK_UP          = 0x01,
+       OCRDMA_AE_LSC_LLINK_DOWN        = 0x02,
+       OCRDMA_AE_LSC_LLINK_MASK        = 0x02,
+       OCRDMA_AE_LSC_LLINK_UP          = 0x03
+};
+
 /* mailbox command request and responses */
 enum {
        OCRDMA_MBX_QUERY_CFG_CQ_OVERFLOW_SHIFT          = 2,
@@ -676,7 +717,7 @@ enum {
        OCRDMA_PHY_PFLT_SHIFT   = 0x18,
        OCRDMA_QOS_LNKSP_MASK   = 0xFFFF0000,
        OCRDMA_QOS_LNKSP_SHIFT  = 0x10,
-       OCRDMA_LLST_MASK        = 0xFF,
+       OCRDMA_LINK_ST_MASK     = 0x01,
        OCRDMA_PLFC_MASK        = 0x00000400,
        OCRDMA_PLFC_SHIFT       = 0x8,
        OCRDMA_PLRFC_MASK       = 0x00000200,
@@ -691,7 +732,7 @@ struct ocrdma_get_link_speed_rsp {
 
        u32 pflt_pps_ld_pnum;
        u32 qos_lsp;
-       u32 res_lls;
+       u32 res_lnk_st;
 };
 
 enum {
index 583001b..76e96f9 100644 (file)
@@ -171,7 +171,7 @@ static inline void get_link_speed_and_width(struct ocrdma_dev *dev,
        int status;
        u8 speed;
 
-       status = ocrdma_mbx_get_link_speed(dev, &speed);
+       status = ocrdma_mbx_get_link_speed(dev, &speed, NULL);
        if (status)
                speed = OCRDMA_PHYS_LINK_SPEED_ZERO;
 
index f434e89..a54b339 100644 (file)
@@ -75,7 +75,7 @@ static int gennvm_block_bb(struct ppa_addr ppa, int nr_blocks, u8 *blks,
        struct nvm_block *blk;
        int i;
 
-       lun = &gn->luns[(dev->nr_luns * ppa.g.ch) + ppa.g.lun];
+       lun = &gn->luns[(dev->luns_per_chnl * ppa.g.ch) + ppa.g.lun];
 
        for (i = 0; i < nr_blocks; i++) {
                if (blks[i] == 0)
index dbedc58..61aacab 100644 (file)
@@ -4326,8 +4326,7 @@ action_store(struct mddev *mddev, const char *page, size_t len)
                        }
                        mddev_unlock(mddev);
                }
-       } else if (test_bit(MD_RECOVERY_RUNNING, &mddev->recovery) ||
-                  test_bit(MD_RECOVERY_NEEDED, &mddev->recovery))
+       } else if (test_bit(MD_RECOVERY_RUNNING, &mddev->recovery))
                return -EBUSY;
        else if (cmd_match(page, "resync"))
                clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
@@ -4340,8 +4339,12 @@ action_store(struct mddev *mddev, const char *page, size_t len)
                        return -EINVAL;
                err = mddev_lock(mddev);
                if (!err) {
-                       clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
-                       err = mddev->pers->start_reshape(mddev);
+                       if (test_bit(MD_RECOVERY_RUNNING, &mddev->recovery))
+                               err =  -EBUSY;
+                       else {
+                               clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
+                               err = mddev->pers->start_reshape(mddev);
+                       }
                        mddev_unlock(mddev);
                }
                if (err)
index e87459f..acd1460 100644 (file)
@@ -22,6 +22,7 @@
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/compiler.h>
+#include <linux/sched.h>
 #include <linux/spinlock.h>
 #include <linux/types.h>
 #include <linux/slab.h>
index b077e43..c4cb15a 100644 (file)
@@ -236,7 +236,7 @@ int ubi_debugfs_init(void)
 
        dfs_rootdir = debugfs_create_dir("ubi", NULL);
        if (IS_ERR_OR_NULL(dfs_rootdir)) {
-               int err = dfs_rootdir ? -ENODEV : PTR_ERR(dfs_rootdir);
+               int err = dfs_rootdir ? PTR_ERR(dfs_rootdir) : -ENODEV;
 
                pr_err("UBI error: cannot create \"ubi\" debugfs directory, error %d\n",
                       err);
index 1fc23e4..10cf3b5 100644 (file)
@@ -1299,7 +1299,7 @@ static int self_check_peb_vid_hdr(const struct ubi_device *ubi, int pnum)
        if (err && err != UBI_IO_BITFLIPS && !mtd_is_eccerr(err))
                goto exit;
 
-       crc = crc32(UBI_CRC32_INIT, vid_hdr, UBI_EC_HDR_SIZE_CRC);
+       crc = crc32(UBI_CRC32_INIT, vid_hdr, UBI_VID_HDR_SIZE_CRC);
        hdr_crc = be32_to_cpu(vid_hdr->hdr_crc);
        if (hdr_crc != crc) {
                ubi_err(ubi, "bad VID header CRC at PEB %d, calculated %#08x, read %#08x",
index eb4489f..5606563 100644 (file)
@@ -603,6 +603,7 @@ static int schedule_erase(struct ubi_device *ubi, struct ubi_wl_entry *e,
        return 0;
 }
 
+static int __erase_worker(struct ubi_device *ubi, struct ubi_work *wl_wrk);
 /**
  * do_sync_erase - run the erase worker synchronously.
  * @ubi: UBI device description object
@@ -615,20 +616,16 @@ static int schedule_erase(struct ubi_device *ubi, struct ubi_wl_entry *e,
 static int do_sync_erase(struct ubi_device *ubi, struct ubi_wl_entry *e,
                         int vol_id, int lnum, int torture)
 {
-       struct ubi_work *wl_wrk;
+       struct ubi_work wl_wrk;
 
        dbg_wl("sync erase of PEB %i", e->pnum);
 
-       wl_wrk = kmalloc(sizeof(struct ubi_work), GFP_NOFS);
-       if (!wl_wrk)
-               return -ENOMEM;
-
-       wl_wrk->e = e;
-       wl_wrk->vol_id = vol_id;
-       wl_wrk->lnum = lnum;
-       wl_wrk->torture = torture;
+       wl_wrk.e = e;
+       wl_wrk.vol_id = vol_id;
+       wl_wrk.lnum = lnum;
+       wl_wrk.torture = torture;
 
-       return erase_worker(ubi, wl_wrk, 0);
+       return __erase_worker(ubi, &wl_wrk);
 }
 
 /**
@@ -1014,7 +1011,7 @@ out_unlock:
 }
 
 /**
- * erase_worker - physical eraseblock erase worker function.
+ * __erase_worker - physical eraseblock erase worker function.
  * @ubi: UBI device description object
  * @wl_wrk: the work object
  * @shutdown: non-zero if the worker has to free memory and exit
@@ -1025,8 +1022,7 @@ out_unlock:
  * needed. Returns zero in case of success and a negative error code in case of
  * failure.
  */
-static int erase_worker(struct ubi_device *ubi, struct ubi_work *wl_wrk,
-                       int shutdown)
+static int __erase_worker(struct ubi_device *ubi, struct ubi_work *wl_wrk)
 {
        struct ubi_wl_entry *e = wl_wrk->e;
        int pnum = e->pnum;
@@ -1034,21 +1030,11 @@ static int erase_worker(struct ubi_device *ubi, struct ubi_work *wl_wrk,
        int lnum = wl_wrk->lnum;
        int err, available_consumed = 0;
 
-       if (shutdown) {
-               dbg_wl("cancel erasure of PEB %d EC %d", pnum, e->ec);
-               kfree(wl_wrk);
-               wl_entry_destroy(ubi, e);
-               return 0;
-       }
-
        dbg_wl("erase PEB %d EC %d LEB %d:%d",
               pnum, e->ec, wl_wrk->vol_id, wl_wrk->lnum);
 
        err = sync_erase(ubi, e, wl_wrk->torture);
        if (!err) {
-               /* Fine, we've erased it successfully */
-               kfree(wl_wrk);
-
                spin_lock(&ubi->wl_lock);
                wl_tree_add(e, &ubi->free);
                ubi->free_count++;
@@ -1066,7 +1052,6 @@ static int erase_worker(struct ubi_device *ubi, struct ubi_work *wl_wrk,
        }
 
        ubi_err(ubi, "failed to erase PEB %d, error %d", pnum, err);
-       kfree(wl_wrk);
 
        if (err == -EINTR || err == -ENOMEM || err == -EAGAIN ||
            err == -EBUSY) {
@@ -1075,6 +1060,7 @@ static int erase_worker(struct ubi_device *ubi, struct ubi_work *wl_wrk,
                /* Re-schedule the LEB for erasure */
                err1 = schedule_erase(ubi, e, vol_id, lnum, 0);
                if (err1) {
+                       wl_entry_destroy(ubi, e);
                        err = err1;
                        goto out_ro;
                }
@@ -1150,6 +1136,25 @@ out_ro:
        return err;
 }
 
+static int erase_worker(struct ubi_device *ubi, struct ubi_work *wl_wrk,
+                         int shutdown)
+{
+       int ret;
+
+       if (shutdown) {
+               struct ubi_wl_entry *e = wl_wrk->e;
+
+               dbg_wl("cancel erasure of PEB %d EC %d", e->pnum, e->ec);
+               kfree(wl_wrk);
+               wl_entry_destroy(ubi, e);
+               return 0;
+       }
+
+       ret = __erase_worker(ubi, wl_wrk);
+       kfree(wl_wrk);
+       return ret;
+}
+
 /**
  * ubi_wl_put_peb - return a PEB to the wear-leveling sub-system.
  * @ubi: UBI device description object
index f8d7a2f..c82ab87 100644 (file)
@@ -3430,25 +3430,29 @@ static u32 bnx2x_xmit_type(struct bnx2x *bp, struct sk_buff *skb)
        return rc;
 }
 
-#if (MAX_SKB_FRAGS >= MAX_FETCH_BD - 3)
+/* VXLAN: 4 = 1 (for linear data BD) + 3 (2 for PBD and last BD) */
+#define BNX2X_NUM_VXLAN_TSO_WIN_SUB_BDS         4
+
+/* Regular: 3 = 1 (for linear data BD) + 2 (for PBD and last BD) */
+#define BNX2X_NUM_TSO_WIN_SUB_BDS               3
+
+#if (MAX_SKB_FRAGS >= MAX_FETCH_BD - BDS_PER_TX_PKT)
 /* check if packet requires linearization (packet is too fragmented)
    no need to check fragmentation if page size > 8K (there will be no
    violation to FW restrictions) */
 static int bnx2x_pkt_req_lin(struct bnx2x *bp, struct sk_buff *skb,
                             u32 xmit_type)
 {
-       int to_copy = 0;
-       int hlen = 0;
-       int first_bd_sz = 0;
+       int first_bd_sz = 0, num_tso_win_sub = BNX2X_NUM_TSO_WIN_SUB_BDS;
+       int to_copy = 0, hlen = 0;
 
-       /* 3 = 1 (for linear data BD) + 2 (for PBD and last BD) */
-       if (skb_shinfo(skb)->nr_frags >= (MAX_FETCH_BD - 3)) {
+       if (xmit_type & XMIT_GSO_ENC)
+               num_tso_win_sub = BNX2X_NUM_VXLAN_TSO_WIN_SUB_BDS;
 
+       if (skb_shinfo(skb)->nr_frags >= (MAX_FETCH_BD - num_tso_win_sub)) {
                if (xmit_type & XMIT_GSO) {
                        unsigned short lso_mss = skb_shinfo(skb)->gso_size;
-                       /* Check if LSO packet needs to be copied:
-                          3 = 1 (for headers BD) + 2 (for PBD and last BD) */
-                       int wnd_size = MAX_FETCH_BD - 3;
+                       int wnd_size = MAX_FETCH_BD - num_tso_win_sub;
                        /* Number of windows to check */
                        int num_wnds = skb_shinfo(skb)->nr_frags - wnd_size;
                        int wnd_idx = 0;
index d463563..6ee78c2 100644 (file)
@@ -848,8 +848,6 @@ void be_roce_dev_remove(struct be_adapter *);
 /*
  * internal function to open-close roce device during ifup-ifdown.
  */
-void be_roce_dev_open(struct be_adapter *);
-void be_roce_dev_close(struct be_adapter *);
 void be_roce_dev_shutdown(struct be_adapter *);
 
 #endif                         /* BE_H */
index b6ad029..8a1d9ff 100644 (file)
@@ -3299,8 +3299,10 @@ static int be_msix_register(struct be_adapter *adapter)
 
        return 0;
 err_msix:
-       for (i--, eqo = &adapter->eq_obj[i]; i >= 0; i--, eqo--)
+       for (i--; i >= 0; i--) {
+               eqo = &adapter->eq_obj[i];
                free_irq(be_msix_vec_get(adapter, eqo), eqo);
+       }
        dev_warn(&adapter->pdev->dev, "MSIX Request IRQ failed - err %d\n",
                 status);
        be_msix_disable(adapter);
@@ -3432,8 +3434,6 @@ static int be_close(struct net_device *netdev)
 
        be_disable_if_filters(adapter);
 
-       be_roce_dev_close(adapter);
-
        if (adapter->flags & BE_FLAGS_NAPI_ENABLED) {
                for_all_evt_queues(adapter, eqo, i) {
                        napi_disable(&eqo->napi);
@@ -3601,8 +3601,6 @@ static int be_open(struct net_device *netdev)
                be_link_status_update(adapter, link_status);
 
        netif_tx_start_all_queues(netdev);
-       be_roce_dev_open(adapter);
-
 #ifdef CONFIG_BE2NET_VXLAN
        if (skyhawk_chip(adapter))
                vxlan_get_rx_port(netdev);
index 6036820..4089156 100644 (file)
@@ -116,40 +116,6 @@ void be_roce_dev_remove(struct be_adapter *adapter)
        }
 }
 
-static void _be_roce_dev_open(struct be_adapter *adapter)
-{
-       if (ocrdma_drv && adapter->ocrdma_dev &&
-           ocrdma_drv->state_change_handler)
-               ocrdma_drv->state_change_handler(adapter->ocrdma_dev,
-                                                BE_DEV_UP);
-}
-
-void be_roce_dev_open(struct be_adapter *adapter)
-{
-       if (be_roce_supported(adapter)) {
-               mutex_lock(&be_adapter_list_lock);
-               _be_roce_dev_open(adapter);
-               mutex_unlock(&be_adapter_list_lock);
-       }
-}
-
-static void _be_roce_dev_close(struct be_adapter *adapter)
-{
-       if (ocrdma_drv && adapter->ocrdma_dev &&
-           ocrdma_drv->state_change_handler)
-               ocrdma_drv->state_change_handler(adapter->ocrdma_dev,
-                                                BE_DEV_DOWN);
-}
-
-void be_roce_dev_close(struct be_adapter *adapter)
-{
-       if (be_roce_supported(adapter)) {
-               mutex_lock(&be_adapter_list_lock);
-               _be_roce_dev_close(adapter);
-               mutex_unlock(&be_adapter_list_lock);
-       }
-}
-
 void be_roce_dev_shutdown(struct be_adapter *adapter)
 {
        if (be_roce_supported(adapter)) {
@@ -177,8 +143,6 @@ int be_roce_register_driver(struct ocrdma_driver *drv)
 
                _be_roce_dev_add(dev);
                netdev = dev->netdev;
-               if (netif_running(netdev) && netif_oper_up(netdev))
-                       _be_roce_dev_open(dev);
        }
        mutex_unlock(&be_adapter_list_lock);
        return 0;
index cde6ef9..fde6097 100644 (file)
@@ -60,9 +60,7 @@ struct ocrdma_driver {
        void (*state_change_handler) (struct ocrdma_dev *, u32 new_state);
 };
 
-enum {
-       BE_DEV_UP       = 0,
-       BE_DEV_DOWN     = 1,
+enum be_roce_event {
        BE_DEV_SHUTDOWN = 2
 };
 
index 8a083d7..038f9ce 100644 (file)
@@ -242,6 +242,13 @@ void mlx4_en_init_timestamp(struct mlx4_en_dev *mdev)
        unsigned long flags;
        u64 ns, zero = 0;
 
+       /* mlx4_en_init_timestamp is called for each netdev.
+        * mdev->ptp_clock is common for all ports, skip initialization if
+        * was done for other port.
+        */
+       if (mdev->ptp_clock)
+               return;
+
        rwlock_init(&mdev->clock_lock);
 
        memset(&mdev->cycles, 0, sizeof(mdev->cycles));
index 005f910..e0ec280 100644 (file)
@@ -232,9 +232,6 @@ static void mlx4_en_remove(struct mlx4_dev *dev, void *endev_ptr)
                if (mdev->pndev[i])
                        mlx4_en_destroy_netdev(mdev->pndev[i]);
 
-       if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS)
-               mlx4_en_remove_timestamp(mdev);
-
        flush_workqueue(mdev->workqueue);
        destroy_workqueue(mdev->workqueue);
        (void) mlx4_mr_free(dev, &mdev->mr);
@@ -320,10 +317,6 @@ static void *mlx4_en_add(struct mlx4_dev *dev)
        mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_ETH)
                mdev->port_cnt++;
 
-       /* Initialize time stamp mechanism */
-       if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS)
-               mlx4_en_init_timestamp(mdev);
-
        /* Set default number of RX rings*/
        mlx4_en_set_num_rx_rings(mdev);
 
index 886e1bc..7869f97 100644 (file)
@@ -2072,6 +2072,9 @@ void mlx4_en_destroy_netdev(struct net_device *dev)
        /* flush any pending task for this netdev */
        flush_workqueue(mdev->workqueue);
 
+       if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS)
+               mlx4_en_remove_timestamp(mdev);
+
        /* Detach the netdev so tasks would not attempt to access it */
        mutex_lock(&mdev->state_lock);
        mdev->pndev[priv->port] = NULL;
@@ -3058,9 +3061,12 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
        }
        queue_delayed_work(mdev->workqueue, &priv->stats_task, STATS_DELAY);
 
+       /* Initialize time stamp mechanism */
        if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS)
-               queue_delayed_work(mdev->workqueue, &priv->service_task,
-                                  SERVICE_TASK_DELAY);
+               mlx4_en_init_timestamp(mdev);
+
+       queue_delayed_work(mdev->workqueue, &priv->service_task,
+                          SERVICE_TASK_DELAY);
 
        mlx4_en_set_stats_bitmap(mdev->dev, &priv->stats_bitmap,
                                 mdev->profile.prof[priv->port].rx_ppp,
index b83f7c0..122c2ee 100644 (file)
@@ -1937,6 +1937,12 @@ static void refill_rx(struct net_device *dev)
                                break; /* Better luck next round. */
                        np->rx_dma[entry] = pci_map_single(np->pci_dev,
                                skb->data, buflen, PCI_DMA_FROMDEVICE);
+                       if (pci_dma_mapping_error(np->pci_dev,
+                                                 np->rx_dma[entry])) {
+                               dev_kfree_skb_any(skb);
+                               np->rx_skbuff[entry] = NULL;
+                               break; /* Better luck next round. */
+                       }
                        np->rx_ring[entry].addr = cpu_to_le32(np->rx_dma[entry]);
                }
                np->rx_ring[entry].cmd_status = cpu_to_le32(np->rx_buf_sz);
@@ -2093,6 +2099,12 @@ static netdev_tx_t start_tx(struct sk_buff *skb, struct net_device *dev)
        np->tx_skbuff[entry] = skb;
        np->tx_dma[entry] = pci_map_single(np->pci_dev,
                                skb->data,skb->len, PCI_DMA_TODEVICE);
+       if (pci_dma_mapping_error(np->pci_dev, np->tx_dma[entry])) {
+               np->tx_skbuff[entry] = NULL;
+               dev_kfree_skb_irq(skb);
+               dev->stats.tx_dropped++;
+               return NETDEV_TX_OK;
+       }
 
        np->tx_ring[entry].addr = cpu_to_le32(np->tx_dma[entry]);
 
index b1a452f..3490675 100644 (file)
@@ -252,7 +252,7 @@ int qlcnic_83xx_check_vnic_state(struct qlcnic_adapter *adapter)
                state = QLCRDX(ahw, QLC_83XX_VNIC_STATE);
        }
 
-       if (!idc->vnic_wait_limit) {
+       if (state != QLCNIC_DEV_NPAR_OPER) {
                dev_err(&adapter->pdev->dev,
                        "vNIC mode not operational, state check timed out.\n");
                return -EIO;
index a0eaf50..6a8fc0f 100644 (file)
@@ -1167,6 +1167,7 @@ static void sh_eth_ring_format(struct net_device *ndev)
        int tx_ringsize = sizeof(*txdesc) * mdp->num_tx_ring;
        int skbuff_size = mdp->rx_buf_sz + SH_ETH_RX_ALIGN + 32 - 1;
        dma_addr_t dma_addr;
+       u32 buf_len;
 
        mdp->cur_rx = 0;
        mdp->cur_tx = 0;
@@ -1187,9 +1188,9 @@ static void sh_eth_ring_format(struct net_device *ndev)
                /* RX descriptor */
                rxdesc = &mdp->rx_ring[i];
                /* The size of the buffer is a multiple of 32 bytes. */
-               rxdesc->buffer_length = ALIGN(mdp->rx_buf_sz, 32);
-               dma_addr = dma_map_single(&ndev->dev, skb->data,
-                                         rxdesc->buffer_length,
+               buf_len = ALIGN(mdp->rx_buf_sz, 32);
+               rxdesc->len = cpu_to_edmac(mdp, buf_len << 16);
+               dma_addr = dma_map_single(&ndev->dev, skb->data, buf_len,
                                          DMA_FROM_DEVICE);
                if (dma_mapping_error(&ndev->dev, dma_addr)) {
                        kfree_skb(skb);
@@ -1220,7 +1221,7 @@ static void sh_eth_ring_format(struct net_device *ndev)
                mdp->tx_skbuff[i] = NULL;
                txdesc = &mdp->tx_ring[i];
                txdesc->status = cpu_to_edmac(mdp, TD_TFP);
-               txdesc->buffer_length = 0;
+               txdesc->len = cpu_to_edmac(mdp, 0);
                if (i == 0) {
                        /* Tx descriptor address set */
                        sh_eth_write(ndev, mdp->tx_desc_dma, TDLAR);
@@ -1429,7 +1430,8 @@ static int sh_eth_txfree(struct net_device *ndev)
                if (mdp->tx_skbuff[entry]) {
                        dma_unmap_single(&ndev->dev,
                                         edmac_to_cpu(mdp, txdesc->addr),
-                                        txdesc->buffer_length, DMA_TO_DEVICE);
+                                        edmac_to_cpu(mdp, txdesc->len) >> 16,
+                                        DMA_TO_DEVICE);
                        dev_kfree_skb_irq(mdp->tx_skbuff[entry]);
                        mdp->tx_skbuff[entry] = NULL;
                        free_num++;
@@ -1439,7 +1441,7 @@ static int sh_eth_txfree(struct net_device *ndev)
                        txdesc->status |= cpu_to_edmac(mdp, TD_TDLE);
 
                ndev->stats.tx_packets++;
-               ndev->stats.tx_bytes += txdesc->buffer_length;
+               ndev->stats.tx_bytes += edmac_to_cpu(mdp, txdesc->len) >> 16;
        }
        return free_num;
 }
@@ -1458,6 +1460,7 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota)
        u32 desc_status;
        int skbuff_size = mdp->rx_buf_sz + SH_ETH_RX_ALIGN + 32 - 1;
        dma_addr_t dma_addr;
+       u32 buf_len;
 
        boguscnt = min(boguscnt, *quota);
        limit = boguscnt;
@@ -1466,7 +1469,7 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota)
                /* RACT bit must be checked before all the following reads */
                dma_rmb();
                desc_status = edmac_to_cpu(mdp, rxdesc->status);
-               pkt_len = rxdesc->frame_length;
+               pkt_len = edmac_to_cpu(mdp, rxdesc->len) & RD_RFL;
 
                if (--boguscnt < 0)
                        break;
@@ -1532,7 +1535,8 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota)
                entry = mdp->dirty_rx % mdp->num_rx_ring;
                rxdesc = &mdp->rx_ring[entry];
                /* The size of the buffer is 32 byte boundary. */
-               rxdesc->buffer_length = ALIGN(mdp->rx_buf_sz, 32);
+               buf_len = ALIGN(mdp->rx_buf_sz, 32);
+               rxdesc->len = cpu_to_edmac(mdp, buf_len << 16);
 
                if (mdp->rx_skbuff[entry] == NULL) {
                        skb = netdev_alloc_skb(ndev, skbuff_size);
@@ -1540,8 +1544,7 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota)
                                break;  /* Better luck next round. */
                        sh_eth_set_receive_align(skb);
                        dma_addr = dma_map_single(&ndev->dev, skb->data,
-                                                 rxdesc->buffer_length,
-                                                 DMA_FROM_DEVICE);
+                                                 buf_len, DMA_FROM_DEVICE);
                        if (dma_mapping_error(&ndev->dev, dma_addr)) {
                                kfree_skb(skb);
                                break;
@@ -2407,7 +2410,7 @@ static int sh_eth_start_xmit(struct sk_buff *skb, struct net_device *ndev)
                return NETDEV_TX_OK;
        }
        txdesc->addr = cpu_to_edmac(mdp, dma_addr);
-       txdesc->buffer_length = skb->len;
+       txdesc->len  = cpu_to_edmac(mdp, skb->len << 16);
 
        dma_wmb(); /* TACT bit must be set after all the above writes */
        if (entry >= mdp->num_tx_ring - 1)
index 26ad1cf..72fcfc9 100644 (file)
@@ -283,7 +283,7 @@ enum DMAC_IM_BIT {
        DMAC_M_RINT1 = 0x00000001,
 };
 
-/* Receive descriptor bit */
+/* Receive descriptor 0 bits */
 enum RD_STS_BIT {
        RD_RACT = 0x80000000, RD_RDLE = 0x40000000,
        RD_RFP1 = 0x20000000, RD_RFP0 = 0x10000000,
@@ -298,6 +298,12 @@ enum RD_STS_BIT {
 #define RDFEND RD_RFP0
 #define RD_RFP (RD_RFP1|RD_RFP0)
 
+/* Receive descriptor 1 bits */
+enum RD_LEN_BIT {
+       RD_RFL  = 0x0000ffff,   /* receive frame  length */
+       RD_RBL  = 0xffff0000,   /* receive buffer length */
+};
+
 /* FCFTR */
 enum FCFTR_BIT {
        FCFTR_RFF2 = 0x00040000, FCFTR_RFF1 = 0x00020000,
@@ -307,7 +313,7 @@ enum FCFTR_BIT {
 #define DEFAULT_FIFO_F_D_RFF   (FCFTR_RFF2 | FCFTR_RFF1 | FCFTR_RFF0)
 #define DEFAULT_FIFO_F_D_RFD   (FCFTR_RFD2 | FCFTR_RFD1 | FCFTR_RFD0)
 
-/* Transmit descriptor bit */
+/* Transmit descriptor 0 bits */
 enum TD_STS_BIT {
        TD_TACT = 0x80000000, TD_TDLE = 0x40000000,
        TD_TFP1 = 0x20000000, TD_TFP0 = 0x10000000,
@@ -317,6 +323,11 @@ enum TD_STS_BIT {
 #define TDFEND TD_TFP0
 #define TD_TFP (TD_TFP1|TD_TFP0)
 
+/* Transmit descriptor 1 bits */
+enum TD_LEN_BIT {
+       TD_TBL  = 0xffff0000,   /* transmit buffer length */
+};
+
 /* RMCR */
 enum RMCR_BIT {
        RMCR_RNC = 0x00000001,
@@ -425,15 +436,9 @@ enum TSU_FWSLC_BIT {
  */
 struct sh_eth_txdesc {
        u32 status;             /* TD0 */
-#if defined(__LITTLE_ENDIAN)
-       u16 pad0;               /* TD1 */
-       u16 buffer_length;      /* TD1 */
-#else
-       u16 buffer_length;      /* TD1 */
-       u16 pad0;               /* TD1 */
-#endif
+       u32 len;                /* TD1 */
        u32 addr;               /* TD2 */
-       u32 pad1;               /* padding data */
+       u32 pad0;               /* padding data */
 } __aligned(2) __packed;
 
 /* The sh ether Rx buffer descriptors.
@@ -441,13 +446,7 @@ struct sh_eth_txdesc {
  */
 struct sh_eth_rxdesc {
        u32 status;             /* RD0 */
-#if defined(__LITTLE_ENDIAN)
-       u16 frame_length;       /* RD1 */
-       u16 buffer_length;      /* RD1 */
-#else
-       u16 buffer_length;      /* RD1 */
-       u16 frame_length;       /* RD1 */
-#endif
+       u32 len;                /* RD1 */
        u32 addr;               /* RD2 */
        u32 pad0;               /* padding data */
 } __aligned(2) __packed;
index 48b92c9..fc95806 100644 (file)
@@ -2026,45 +2026,54 @@ static int cpsw_probe_dt(struct cpsw_priv *priv,
        for_each_child_of_node(node, slave_node) {
                struct cpsw_slave_data *slave_data = data->slave_data + i;
                const void *mac_addr = NULL;
-               u32 phyid;
                int lenp;
                const __be32 *parp;
-               struct device_node *mdio_node;
-               struct platform_device *mdio;
 
                /* This is no slave child node, continue */
                if (strcmp(slave_node->name, "slave"))
                        continue;
 
                priv->phy_node = of_parse_phandle(slave_node, "phy-handle", 0);
+               parp = of_get_property(slave_node, "phy_id", &lenp);
                if (of_phy_is_fixed_link(slave_node)) {
-                       struct phy_device *pd;
+                       struct device_node *phy_node;
+                       struct phy_device *phy_dev;
 
+                       /* In the case of a fixed PHY, the DT node associated
+                        * to the PHY is the Ethernet MAC DT node.
+                        */
                        ret = of_phy_register_fixed_link(slave_node);
                        if (ret)
                                return ret;
-                       pd = of_phy_find_device(slave_node);
-                       if (!pd)
+                       phy_node = of_node_get(slave_node);
+                       phy_dev = of_phy_find_device(phy_node);
+                       if (!phy_dev)
                                return -ENODEV;
                        snprintf(slave_data->phy_id, sizeof(slave_data->phy_id),
-                                PHY_ID_FMT, pd->bus->id, pd->phy_id);
-                       goto no_phy_slave;
-               }
-               parp = of_get_property(slave_node, "phy_id", &lenp);
-               if ((parp == NULL) || (lenp != (sizeof(void *) * 2))) {
-                       dev_err(&pdev->dev, "Missing slave[%d] phy_id property\n", i);
+                                PHY_ID_FMT, phy_dev->bus->id, phy_dev->addr);
+               } else if (parp) {
+                       u32 phyid;
+                       struct device_node *mdio_node;
+                       struct platform_device *mdio;
+
+                       if (lenp != (sizeof(__be32) * 2)) {
+                               dev_err(&pdev->dev, "Invalid slave[%d] phy_id property\n", i);
+                               goto no_phy_slave;
+                       }
+                       mdio_node = of_find_node_by_phandle(be32_to_cpup(parp));
+                       phyid = be32_to_cpup(parp+1);
+                       mdio = of_find_device_by_node(mdio_node);
+                       of_node_put(mdio_node);
+                       if (!mdio) {
+                               dev_err(&pdev->dev, "Missing mdio platform device\n");
+                               return -EINVAL;
+                       }
+                       snprintf(slave_data->phy_id, sizeof(slave_data->phy_id),
+                                PHY_ID_FMT, mdio->name, phyid);
+               } else {
+                       dev_err(&pdev->dev, "No slave[%d] phy_id or fixed-link property\n", i);
                        goto no_phy_slave;
                }
-               mdio_node = of_find_node_by_phandle(be32_to_cpup(parp));
-               phyid = be32_to_cpup(parp+1);
-               mdio = of_find_device_by_node(mdio_node);
-               of_node_put(mdio_node);
-               if (!mdio) {
-                       dev_err(&pdev->dev, "Missing mdio platform device\n");
-                       return -EINVAL;
-               }
-               snprintf(slave_data->phy_id, sizeof(slave_data->phy_id),
-                        PHY_ID_FMT, mdio->name, phyid);
                slave_data->phy_if = of_get_phy_mode(slave_node);
                if (slave_data->phy_if < 0) {
                        dev_err(&pdev->dev, "Missing or malformed slave[%d] phy-mode property\n",
@@ -2418,7 +2427,7 @@ static int cpsw_probe(struct platform_device *pdev)
        ndev->irq = platform_get_irq(pdev, 1);
        if (ndev->irq < 0) {
                dev_err(priv->dev, "error getting irq resource\n");
-               ret = -ENOENT;
+               ret = ndev->irq;
                goto clean_ale_ret;
        }
 
@@ -2439,8 +2448,10 @@ static int cpsw_probe(struct platform_device *pdev)
 
        /* RX IRQ */
        irq = platform_get_irq(pdev, 1);
-       if (irq < 0)
+       if (irq < 0) {
+               ret = irq;
                goto clean_ale_ret;
+       }
 
        priv->irqs_table[0] = irq;
        ret = devm_request_irq(&pdev->dev, irq, cpsw_rx_interrupt,
@@ -2452,8 +2463,10 @@ static int cpsw_probe(struct platform_device *pdev)
 
        /* TX IRQ */
        irq = platform_get_irq(pdev, 2);
-       if (irq < 0)
+       if (irq < 0) {
+               ret = irq;
                goto clean_ale_ret;
+       }
 
        priv->irqs_table[1] = irq;
        ret = devm_request_irq(&pdev->dev, irq, cpsw_tx_interrupt,
index c2b79f5..58efdec 100644 (file)
@@ -1155,7 +1155,7 @@ static int geneve_configure(struct net *net, struct net_device *dev,
        struct geneve_net *gn = net_generic(net, geneve_net_id);
        struct geneve_dev *t, *geneve = netdev_priv(dev);
        bool tun_collect_md, tun_on_same_port;
-       int err;
+       int err, encap_len;
 
        if (!remote)
                return -EINVAL;
@@ -1187,6 +1187,14 @@ static int geneve_configure(struct net *net, struct net_device *dev,
        if (t)
                return -EBUSY;
 
+       /* make enough headroom for basic scenario */
+       encap_len = GENEVE_BASE_HLEN + ETH_HLEN;
+       if (remote->sa.sa_family == AF_INET)
+               encap_len += sizeof(struct iphdr);
+       else
+               encap_len += sizeof(struct ipv6hdr);
+       dev->needed_headroom = encap_len + ETH_HLEN;
+
        if (metadata) {
                if (tun_on_same_port)
                        return -EPERM;
index 7c4a415..9f0b1c3 100644 (file)
@@ -683,14 +683,14 @@ static void sixpack_close(struct tty_struct *tty)
        if (!atomic_dec_and_test(&sp->refcnt))
                down(&sp->dead_sem);
 
-       unregister_netdev(sp->dev);
-
-       del_timer(&sp->tx_t);
-       del_timer(&sp->resync_t);
+       del_timer_sync(&sp->tx_t);
+       del_timer_sync(&sp->resync_t);
 
        /* Free all 6pack frame buffers. */
        kfree(sp->rbuff);
        kfree(sp->xbuff);
+
+       unregister_netdev(sp->dev);
 }
 
 /* Perform I/O control on an active 6pack channel. */
index 216bfd3..0b72b9d 100644 (file)
@@ -798,13 +798,13 @@ static void mkiss_close(struct tty_struct *tty)
        if (!atomic_dec_and_test(&ax->refcnt))
                down(&ax->dead_sem);
 
-       unregister_netdev(ax->dev);
-
        /* Free all AX25 frame buffers. */
        kfree(ax->rbuff);
        kfree(ax->xbuff);
 
        ax->tty = NULL;
+
+       unregister_netdev(ax->dev);
 }
 
 /* Perform I/O control on an active ax25 channel. */
index 8973abd..bdd83d9 100644 (file)
@@ -100,7 +100,7 @@ static const struct net_device_ops cdc_mbim_netdev_ops = {
        .ndo_stop             = usbnet_stop,
        .ndo_start_xmit       = usbnet_start_xmit,
        .ndo_tx_timeout       = usbnet_tx_timeout,
-       .ndo_change_mtu       = usbnet_change_mtu,
+       .ndo_change_mtu       = cdc_ncm_change_mtu,
        .ndo_set_mac_address  = eth_mac_addr,
        .ndo_validate_addr    = eth_validate_addr,
        .ndo_vlan_rx_add_vid  = cdc_mbim_rx_add_vid,
index 1e9843a..e8a1144 100644 (file)
@@ -41,6 +41,7 @@
 #include <linux/module.h>
 #include <linux/netdevice.h>
 #include <linux/ctype.h>
+#include <linux/etherdevice.h>
 #include <linux/ethtool.h>
 #include <linux/workqueue.h>
 #include <linux/mii.h>
@@ -689,6 +690,33 @@ static void cdc_ncm_free(struct cdc_ncm_ctx *ctx)
        kfree(ctx);
 }
 
+/* we need to override the usbnet change_mtu ndo for two reasons:
+ *  - respect the negotiated maximum datagram size
+ *  - avoid unwanted changes to rx and tx buffers
+ */
+int cdc_ncm_change_mtu(struct net_device *net, int new_mtu)
+{
+       struct usbnet *dev = netdev_priv(net);
+       struct cdc_ncm_ctx *ctx = (struct cdc_ncm_ctx *)dev->data[0];
+       int maxmtu = ctx->max_datagram_size - cdc_ncm_eth_hlen(dev);
+
+       if (new_mtu <= 0 || new_mtu > maxmtu)
+               return -EINVAL;
+       net->mtu = new_mtu;
+       return 0;
+}
+EXPORT_SYMBOL_GPL(cdc_ncm_change_mtu);
+
+static const struct net_device_ops cdc_ncm_netdev_ops = {
+       .ndo_open            = usbnet_open,
+       .ndo_stop            = usbnet_stop,
+       .ndo_start_xmit      = usbnet_start_xmit,
+       .ndo_tx_timeout      = usbnet_tx_timeout,
+       .ndo_change_mtu      = cdc_ncm_change_mtu,
+       .ndo_set_mac_address = eth_mac_addr,
+       .ndo_validate_addr   = eth_validate_addr,
+};
+
 int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_altsetting, int drvflags)
 {
        struct cdc_ncm_ctx *ctx;
@@ -823,6 +851,9 @@ int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_
        /* add our sysfs attrs */
        dev->net->sysfs_groups[0] = &cdc_ncm_sysfs_attr_group;
 
+       /* must handle MTU changes */
+       dev->net->netdev_ops = &cdc_ncm_netdev_ops;
+
        return 0;
 
 error2:
@@ -1558,6 +1589,24 @@ static const struct usb_device_id cdc_devs[] = {
          .driver_info = (unsigned long) &wwan_info,
        },
 
+       /* DW5812 LTE Verizon Mobile Broadband Card
+        * Unlike DW5550 this device requires FLAG_NOARP
+        */
+       { USB_DEVICE_AND_INTERFACE_INFO(0x413c, 0x81bb,
+               USB_CLASS_COMM,
+               USB_CDC_SUBCLASS_NCM, USB_CDC_PROTO_NONE),
+         .driver_info = (unsigned long)&wwan_noarp_info,
+       },
+
+       /* DW5813 LTE AT&T Mobile Broadband Card
+        * Unlike DW5550 this device requires FLAG_NOARP
+        */
+       { USB_DEVICE_AND_INTERFACE_INFO(0x413c, 0x81bc,
+               USB_CLASS_COMM,
+               USB_CDC_SUBCLASS_NCM, USB_CDC_PROTO_NONE),
+         .driver_info = (unsigned long)&wwan_noarp_info,
+       },
+
        /* Dell branded MBM devices like DW5550 */
        { .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
                | USB_DEVICE_ID_MATCH_VENDOR,
index 0ef4a5a..ba21d07 100644 (file)
@@ -117,12 +117,6 @@ static netdev_tx_t veth_xmit(struct sk_buff *skb, struct net_device *dev)
                kfree_skb(skb);
                goto drop;
        }
-       /* don't change ip_summed == CHECKSUM_PARTIAL, as that
-        * will cause bad checksum on forwarded packets
-        */
-       if (skb->ip_summed == CHECKSUM_NONE &&
-           rcv->features & NETIF_F_RXCSUM)
-               skb->ip_summed = CHECKSUM_UNNECESSARY;
 
        if (likely(dev_forward_skb(rcv, skb) == NET_RX_SUCCESS)) {
                struct pcpu_vstats *stats = this_cpu_ptr(dev->vstats);
index bf88ec3..d9a4aee 100644 (file)
 #include "iwl-agn-hw.h"
 
 /* Highest firmware API version supported */
-#define IWL7260_UCODE_API_MAX  19
+#define IWL7260_UCODE_API_MAX  17
+#define IWL7265_UCODE_API_MAX  19
+#define IWL7265D_UCODE_API_MAX 19
 
 /* Oldest version we won't warn about */
 #define IWL7260_UCODE_API_OK   13
+#define IWL7265_UCODE_API_OK   13
+#define IWL7265D_UCODE_API_OK  13
 
 /* Lowest firmware API version supported */
 #define IWL7260_UCODE_API_MIN  13
+#define IWL7265_UCODE_API_MIN  13
+#define IWL7265D_UCODE_API_MIN 13
 
 /* NVM versions */
 #define IWL7260_NVM_VERSION            0x0a1d
@@ -149,10 +155,7 @@ static const struct iwl_ht_params iwl7000_ht_params = {
        .ht40_bands = BIT(IEEE80211_BAND_2GHZ) | BIT(IEEE80211_BAND_5GHZ),
 };
 
-#define IWL_DEVICE_7000                                                \
-       .ucode_api_max = IWL7260_UCODE_API_MAX,                 \
-       .ucode_api_ok = IWL7260_UCODE_API_OK,                   \
-       .ucode_api_min = IWL7260_UCODE_API_MIN,                 \
+#define IWL_DEVICE_7000_COMMON                                 \
        .device_family = IWL_DEVICE_FAMILY_7000,                \
        .max_inst_size = IWL60_RTC_INST_SIZE,                   \
        .max_data_size = IWL60_RTC_DATA_SIZE,                   \
@@ -163,6 +166,24 @@ static const struct iwl_ht_params iwl7000_ht_params = {
        .max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K,    \
        .dccm_offset = IWL7000_DCCM_OFFSET
 
+#define IWL_DEVICE_7000                                                \
+       IWL_DEVICE_7000_COMMON,                                 \
+       .ucode_api_max = IWL7260_UCODE_API_MAX,                 \
+       .ucode_api_ok = IWL7260_UCODE_API_OK,                   \
+       .ucode_api_min = IWL7260_UCODE_API_MIN
+
+#define IWL_DEVICE_7005                                                \
+       IWL_DEVICE_7000_COMMON,                                 \
+       .ucode_api_max = IWL7265_UCODE_API_MAX,                 \
+       .ucode_api_ok = IWL7265_UCODE_API_OK,                   \
+       .ucode_api_min = IWL7265_UCODE_API_MIN
+
+#define IWL_DEVICE_7005D                                       \
+       IWL_DEVICE_7000_COMMON,                                 \
+       .ucode_api_max = IWL7265D_UCODE_API_MAX,                \
+       .ucode_api_ok = IWL7265D_UCODE_API_OK,                  \
+       .ucode_api_min = IWL7265D_UCODE_API_MIN
+
 const struct iwl_cfg iwl7260_2ac_cfg = {
        .name = "Intel(R) Dual Band Wireless AC 7260",
        .fw_name_pre = IWL7260_FW_PRE,
@@ -266,7 +287,7 @@ static const struct iwl_ht_params iwl7265_ht_params = {
 const struct iwl_cfg iwl3165_2ac_cfg = {
        .name = "Intel(R) Dual Band Wireless AC 3165",
        .fw_name_pre = IWL7265D_FW_PRE,
-       IWL_DEVICE_7000,
+       IWL_DEVICE_7005D,
        .ht_params = &iwl7000_ht_params,
        .nvm_ver = IWL3165_NVM_VERSION,
        .nvm_calib_ver = IWL3165_TX_POWER_VERSION,
@@ -277,7 +298,7 @@ const struct iwl_cfg iwl3165_2ac_cfg = {
 const struct iwl_cfg iwl7265_2ac_cfg = {
        .name = "Intel(R) Dual Band Wireless AC 7265",
        .fw_name_pre = IWL7265_FW_PRE,
-       IWL_DEVICE_7000,
+       IWL_DEVICE_7005,
        .ht_params = &iwl7265_ht_params,
        .nvm_ver = IWL7265_NVM_VERSION,
        .nvm_calib_ver = IWL7265_TX_POWER_VERSION,
@@ -288,7 +309,7 @@ const struct iwl_cfg iwl7265_2ac_cfg = {
 const struct iwl_cfg iwl7265_2n_cfg = {
        .name = "Intel(R) Dual Band Wireless N 7265",
        .fw_name_pre = IWL7265_FW_PRE,
-       IWL_DEVICE_7000,
+       IWL_DEVICE_7005,
        .ht_params = &iwl7265_ht_params,
        .nvm_ver = IWL7265_NVM_VERSION,
        .nvm_calib_ver = IWL7265_TX_POWER_VERSION,
@@ -299,7 +320,7 @@ const struct iwl_cfg iwl7265_2n_cfg = {
 const struct iwl_cfg iwl7265_n_cfg = {
        .name = "Intel(R) Wireless N 7265",
        .fw_name_pre = IWL7265_FW_PRE,
-       IWL_DEVICE_7000,
+       IWL_DEVICE_7005,
        .ht_params = &iwl7265_ht_params,
        .nvm_ver = IWL7265_NVM_VERSION,
        .nvm_calib_ver = IWL7265_TX_POWER_VERSION,
@@ -310,7 +331,7 @@ const struct iwl_cfg iwl7265_n_cfg = {
 const struct iwl_cfg iwl7265d_2ac_cfg = {
        .name = "Intel(R) Dual Band Wireless AC 7265",
        .fw_name_pre = IWL7265D_FW_PRE,
-       IWL_DEVICE_7000,
+       IWL_DEVICE_7005D,
        .ht_params = &iwl7265_ht_params,
        .nvm_ver = IWL7265D_NVM_VERSION,
        .nvm_calib_ver = IWL7265_TX_POWER_VERSION,
@@ -321,7 +342,7 @@ const struct iwl_cfg iwl7265d_2ac_cfg = {
 const struct iwl_cfg iwl7265d_2n_cfg = {
        .name = "Intel(R) Dual Band Wireless N 7265",
        .fw_name_pre = IWL7265D_FW_PRE,
-       IWL_DEVICE_7000,
+       IWL_DEVICE_7005D,
        .ht_params = &iwl7265_ht_params,
        .nvm_ver = IWL7265D_NVM_VERSION,
        .nvm_calib_ver = IWL7265_TX_POWER_VERSION,
@@ -332,7 +353,7 @@ const struct iwl_cfg iwl7265d_2n_cfg = {
 const struct iwl_cfg iwl7265d_n_cfg = {
        .name = "Intel(R) Wireless N 7265",
        .fw_name_pre = IWL7265D_FW_PRE,
-       IWL_DEVICE_7000,
+       IWL_DEVICE_7005D,
        .ht_params = &iwl7265_ht_params,
        .nvm_ver = IWL7265D_NVM_VERSION,
        .nvm_calib_ver = IWL7265_TX_POWER_VERSION,
@@ -342,5 +363,5 @@ const struct iwl_cfg iwl7265d_n_cfg = {
 
 MODULE_FIRMWARE(IWL7260_MODULE_FIRMWARE(IWL7260_UCODE_API_OK));
 MODULE_FIRMWARE(IWL3160_MODULE_FIRMWARE(IWL7260_UCODE_API_OK));
-MODULE_FIRMWARE(IWL7265_MODULE_FIRMWARE(IWL7260_UCODE_API_OK));
-MODULE_FIRMWARE(IWL7265D_MODULE_FIRMWARE(IWL7260_UCODE_API_OK));
+MODULE_FIRMWARE(IWL7265_MODULE_FIRMWARE(IWL7265_UCODE_API_OK));
+MODULE_FIRMWARE(IWL7265D_MODULE_FIRMWARE(IWL7265D_UCODE_API_OK));
index 354acbd..2b976b1 100644 (file)
@@ -1222,8 +1222,8 @@ static u8 iwl_mvm_get_key_sta_id(struct iwl_mvm *mvm,
            mvmvif->ap_sta_id != IWL_MVM_STATION_COUNT) {
                u8 sta_id = mvmvif->ap_sta_id;
 
-               sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],
-                                               lockdep_is_held(&mvm->mutex));
+               sta = rcu_dereference_check(mvm->fw_id_to_mac_id[sta_id],
+                                           lockdep_is_held(&mvm->mutex));
                /*
                 * It is possible that the 'sta' parameter is NULL,
                 * for example when a GTK is removed - the sta_id will then
@@ -1590,14 +1590,15 @@ void iwl_mvm_update_tkip_key(struct iwl_mvm *mvm,
                             u16 *phase1key)
 {
        struct iwl_mvm_sta *mvm_sta;
-       u8 sta_id = iwl_mvm_get_key_sta_id(mvm, vif, sta);
+       u8 sta_id;
        bool mcast = !(keyconf->flags & IEEE80211_KEY_FLAG_PAIRWISE);
 
-       if (WARN_ON_ONCE(sta_id == IWL_MVM_STATION_COUNT))
-               return;
-
        rcu_read_lock();
 
+       sta_id = iwl_mvm_get_key_sta_id(mvm, vif, sta);
+       if (WARN_ON_ONCE(sta_id == IWL_MVM_STATION_COUNT))
+               goto unlock;
+
        if (!sta) {
                sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
                if (WARN_ON(IS_ERR_OR_NULL(sta))) {
@@ -1609,6 +1610,8 @@ void iwl_mvm_update_tkip_key(struct iwl_mvm *mvm,
        mvm_sta = iwl_mvm_sta_from_mac80211(sta);
        iwl_mvm_send_sta_key(mvm, mvm_sta, keyconf, mcast,
                             iv32, phase1key, CMD_ASYNC, keyconf->hw_key_idx);
+
+ unlock:
        rcu_read_unlock();
 }
 
index ce38b4c..84f2f80 100644 (file)
@@ -2843,6 +2843,8 @@ again:
        res->state &= ~DLM_LOCK_RES_BLOCK_DIRTY;
        if (!ret)
                BUG_ON(!(res->state & DLM_LOCK_RES_MIGRATING));
+       else
+               res->migration_pending = 0;
        spin_unlock(&res->spinlock);
 
        /*
index 652ece4..d56f007 100644 (file)
@@ -67,7 +67,10 @@ static int ocfs2_do_flock(struct file *file, struct inode *inode,
                 */
 
                locks_lock_file_wait(file,
-                                    &(struct file_lock){.fl_type = F_UNLCK});
+                               &(struct file_lock) {
+                                       .fl_type = F_UNLCK,
+                                       .fl_flags = FL_FLOCK
+                               });
 
                ocfs2_file_unlock(file);
        }
index d5da6f6..79b8021 100644 (file)
 static u16 ocfs2_calc_new_backup_super(struct inode *inode,
                                       struct ocfs2_group_desc *gd,
                                       u16 cl_cpg,
+                                      u16 old_bg_clusters,
                                       int set)
 {
        int i;
        u16 backups = 0;
-       u32 cluster;
+       u32 cluster, lgd_cluster;
        u64 blkno, gd_blkno, lgd_blkno = le64_to_cpu(gd->bg_blkno);
 
        for (i = 0; i < OCFS2_MAX_BACKUP_SUPERBLOCKS; i++) {
@@ -71,6 +72,12 @@ static u16 ocfs2_calc_new_backup_super(struct inode *inode,
                else if (gd_blkno > lgd_blkno)
                        break;
 
+               /* check if already done backup super */
+               lgd_cluster = ocfs2_blocks_to_clusters(inode->i_sb, lgd_blkno);
+               lgd_cluster += old_bg_clusters;
+               if (lgd_cluster >= cluster)
+                       continue;
+
                if (set)
                        ocfs2_set_bit(cluster % cl_cpg,
                                      (unsigned long *)gd->bg_bitmap);
@@ -99,6 +106,7 @@ static int ocfs2_update_last_group_and_inode(handle_t *handle,
        u16 chain, num_bits, backups = 0;
        u16 cl_bpc = le16_to_cpu(cl->cl_bpc);
        u16 cl_cpg = le16_to_cpu(cl->cl_cpg);
+       u16 old_bg_clusters;
 
        trace_ocfs2_update_last_group_and_inode(new_clusters,
                                                first_new_cluster);
@@ -112,6 +120,7 @@ static int ocfs2_update_last_group_and_inode(handle_t *handle,
 
        group = (struct ocfs2_group_desc *)group_bh->b_data;
 
+       old_bg_clusters = le16_to_cpu(group->bg_bits) / cl_bpc;
        /* update the group first. */
        num_bits = new_clusters * cl_bpc;
        le16_add_cpu(&group->bg_bits, num_bits);
@@ -125,7 +134,7 @@ static int ocfs2_update_last_group_and_inode(handle_t *handle,
                                     OCFS2_FEATURE_COMPAT_BACKUP_SB)) {
                backups = ocfs2_calc_new_backup_super(bm_inode,
                                                     group,
-                                                    cl_cpg, 1);
+                                                    cl_cpg, old_bg_clusters, 1);
                le16_add_cpu(&group->bg_free_bits_count, -1 * backups);
        }
 
@@ -163,7 +172,7 @@ out_rollback:
        if (ret < 0) {
                ocfs2_calc_new_backup_super(bm_inode,
                                            group,
-                                           cl_cpg, 0);
+                                           cl_cpg, old_bg_clusters, 0);
                le16_add_cpu(&group->bg_free_bits_count, backups);
                le16_add_cpu(&group->bg_bits, -1 * num_bits);
                le16_add_cpu(&group->bg_free_bits_count, -1 * num_bits);
index 0169ba2..c70e358 100644 (file)
@@ -797,6 +797,7 @@ extern int sg_scsi_ioctl(struct request_queue *, struct gendisk *, fmode_t,
 extern int blk_queue_enter(struct request_queue *q, gfp_t gfp);
 extern void blk_queue_exit(struct request_queue *q);
 extern void blk_start_queue(struct request_queue *q);
+extern void blk_start_queue_async(struct request_queue *q);
 extern void blk_stop_queue(struct request_queue *q);
 extern void blk_sync_queue(struct request_queue *q);
 extern void __blk_stop_queue(struct request_queue *q);
index 1f6526c..3a375d0 100644 (file)
@@ -138,6 +138,7 @@ struct cdc_ncm_ctx {
 };
 
 u8 cdc_ncm_select_altsetting(struct usb_interface *intf);
+int cdc_ncm_change_mtu(struct net_device *net, int new_mtu);
 int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_altsetting, int drvflags);
 void cdc_ncm_unbind(struct usbnet *dev, struct usb_interface *intf);
 struct sk_buff *cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign);
index 5dbc8b0..3e5d907 100644 (file)
@@ -176,11 +176,11 @@ extern void zone_statistics(struct zone *, struct zone *, gfp_t gfp);
 #define sub_zone_page_state(__z, __i, __d) mod_zone_page_state(__z, __i, -(__d))
 
 #ifdef CONFIG_SMP
-void __mod_zone_page_state(struct zone *, enum zone_stat_item item, int);
+void __mod_zone_page_state(struct zone *, enum zone_stat_item item, long);
 void __inc_zone_page_state(struct page *, enum zone_stat_item);
 void __dec_zone_page_state(struct page *, enum zone_stat_item);
 
-void mod_zone_page_state(struct zone *, enum zone_stat_item, int);
+void mod_zone_page_state(struct zone *, enum zone_stat_item, long);
 void inc_zone_page_state(struct page *, enum zone_stat_item);
 void dec_zone_page_state(struct page *, enum zone_stat_item);
 
@@ -205,7 +205,7 @@ void set_pgdat_percpu_threshold(pg_data_t *pgdat,
  * The functions directly modify the zone and global counters.
  */
 static inline void __mod_zone_page_state(struct zone *zone,
-                       enum zone_stat_item item, int delta)
+                       enum zone_stat_item item, long delta)
 {
        zone_page_state_add(delta, zone, item);
 }
index eb9240c..51282f5 100644 (file)
@@ -519,7 +519,8 @@ int rhashtable_walk_init(struct rhashtable *ht, struct rhashtable_iter *iter)
                return -ENOMEM;
 
        spin_lock(&ht->lock);
-       iter->walker->tbl = rht_dereference(ht->tbl, ht);
+       iter->walker->tbl =
+               rcu_dereference_protected(ht->tbl, lockdep_is_held(&ht->lock));
        list_add(&iter->walker->list, &iter->walker->tbl->walkers);
        spin_unlock(&ht->lock);
 
index e234c21..fc10620 100644 (file)
@@ -903,14 +903,20 @@ struct mem_cgroup *mem_cgroup_iter(struct mem_cgroup *root,
                if (prev && reclaim->generation != iter->generation)
                        goto out_unlock;
 
-               do {
+               while (1) {
                        pos = READ_ONCE(iter->position);
+                       if (!pos || css_tryget(&pos->css))
+                               break;
                        /*
-                        * A racing update may change the position and
-                        * put the last reference, hence css_tryget(),
-                        * or retry to see the updated position.
+                        * css reference reached zero, so iter->position will
+                        * be cleared by ->css_released. However, we should not
+                        * rely on this happening soon, because ->css_released
+                        * is called from a work queue, and by busy-waiting we
+                        * might block it. So we clear iter->position right
+                        * away.
                         */
-               } while (pos && !css_tryget(&pos->css));
+                       (void)cmpxchg(&iter->position, pos, NULL);
+               }
        }
 
        if (pos)
@@ -956,17 +962,13 @@ struct mem_cgroup *mem_cgroup_iter(struct mem_cgroup *root,
        }
 
        if (reclaim) {
-               if (cmpxchg(&iter->position, pos, memcg) == pos) {
-                       if (memcg)
-                               css_get(&memcg->css);
-                       if (pos)
-                               css_put(&pos->css);
-               }
-
                /*
-                * pairs with css_tryget when dereferencing iter->position
-                * above.
+                * The position could have already been updated by a competing
+                * thread, so check that the value hasn't changed since we read
+                * it to avoid reclaiming from the same cgroup twice.
                 */
+               (void)cmpxchg(&iter->position, pos, memcg);
+
                if (pos)
                        css_put(&pos->css);
 
@@ -999,6 +1001,28 @@ void mem_cgroup_iter_break(struct mem_cgroup *root,
                css_put(&prev->css);
 }
 
+static void invalidate_reclaim_iterators(struct mem_cgroup *dead_memcg)
+{
+       struct mem_cgroup *memcg = dead_memcg;
+       struct mem_cgroup_reclaim_iter *iter;
+       struct mem_cgroup_per_zone *mz;
+       int nid, zid;
+       int i;
+
+       while ((memcg = parent_mem_cgroup(memcg))) {
+               for_each_node(nid) {
+                       for (zid = 0; zid < MAX_NR_ZONES; zid++) {
+                               mz = &memcg->nodeinfo[nid]->zoneinfo[zid];
+                               for (i = 0; i <= DEF_PRIORITY; i++) {
+                                       iter = &mz->iter[i];
+                                       cmpxchg(&iter->position,
+                                               dead_memcg, NULL);
+                               }
+                       }
+               }
+       }
+}
+
 /*
  * Iteration constructs for visiting all cgroups (under a tree).  If
  * loops are exited prematurely (break), mem_cgroup_iter_break() must
@@ -4324,6 +4348,13 @@ static void mem_cgroup_css_offline(struct cgroup_subsys_state *css)
        wb_memcg_offline(memcg);
 }
 
+static void mem_cgroup_css_released(struct cgroup_subsys_state *css)
+{
+       struct mem_cgroup *memcg = mem_cgroup_from_css(css);
+
+       invalidate_reclaim_iterators(memcg);
+}
+
 static void mem_cgroup_css_free(struct cgroup_subsys_state *css)
 {
        struct mem_cgroup *memcg = mem_cgroup_from_css(css);
@@ -5185,6 +5216,7 @@ struct cgroup_subsys memory_cgrp_subsys = {
        .css_alloc = mem_cgroup_css_alloc,
        .css_online = mem_cgroup_css_online,
        .css_offline = mem_cgroup_css_offline,
+       .css_released = mem_cgroup_css_released,
        .css_free = mem_cgroup_css_free,
        .css_reset = mem_cgroup_css_reset,
        .can_attach = mem_cgroup_can_attach,
index 67d488a..a042a9d 100644 (file)
@@ -1375,23 +1375,30 @@ int is_mem_section_removable(unsigned long start_pfn, unsigned long nr_pages)
  */
 int test_pages_in_a_zone(unsigned long start_pfn, unsigned long end_pfn)
 {
-       unsigned long pfn;
+       unsigned long pfn, sec_end_pfn;
        struct zone *zone = NULL;
        struct page *page;
        int i;
-       for (pfn = start_pfn;
+       for (pfn = start_pfn, sec_end_pfn = SECTION_ALIGN_UP(start_pfn);
             pfn < end_pfn;
-            pfn += MAX_ORDER_NR_PAGES) {
-               i = 0;
-               /* This is just a CONFIG_HOLES_IN_ZONE check.*/
-               while ((i < MAX_ORDER_NR_PAGES) && !pfn_valid_within(pfn + i))
-                       i++;
-               if (i == MAX_ORDER_NR_PAGES)
+            pfn = sec_end_pfn + 1, sec_end_pfn += PAGES_PER_SECTION) {
+               /* Make sure the memory section is present first */
+               if (!present_section_nr(pfn_to_section_nr(pfn)))
                        continue;
-               page = pfn_to_page(pfn + i);
-               if (zone && page_zone(page) != zone)
-                       return 0;
-               zone = page_zone(page);
+               for (; pfn < sec_end_pfn && pfn < end_pfn;
+                    pfn += MAX_ORDER_NR_PAGES) {
+                       i = 0;
+                       /* This is just a CONFIG_HOLES_IN_ZONE check.*/
+                       while ((i < MAX_ORDER_NR_PAGES) &&
+                               !pfn_valid_within(pfn + i))
+                               i++;
+                       if (i == MAX_ORDER_NR_PAGES)
+                               continue;
+                       page = pfn_to_page(pfn + i);
+                       if (zone && page_zone(page) != zone)
+                               return 0;
+                       zone = page_zone(page);
+               }
        }
        return 1;
 }
index 0d5712b..4ebc17d 100644 (file)
@@ -219,7 +219,7 @@ void set_pgdat_percpu_threshold(pg_data_t *pgdat,
  * particular counter cannot be updated from interrupt context.
  */
 void __mod_zone_page_state(struct zone *zone, enum zone_stat_item item,
-                               int delta)
+                          long delta)
 {
        struct per_cpu_pageset __percpu *pcp = zone->pageset;
        s8 __percpu *p = pcp->vm_stat_diff + item;
@@ -318,8 +318,8 @@ EXPORT_SYMBOL(__dec_zone_page_state);
  *     1       Overstepping half of threshold
  *     -1      Overstepping minus half of threshold
 */
-static inline void mod_state(struct zone *zone,
-       enum zone_stat_item item, int delta, int overstep_mode)
+static inline void mod_state(struct zone *zone, enum zone_stat_item item,
+                            long delta, int overstep_mode)
 {
        struct per_cpu_pageset __percpu *pcp = zone->pageset;
        s8 __percpu *p = pcp->vm_stat_diff + item;
@@ -357,7 +357,7 @@ static inline void mod_state(struct zone *zone,
 }
 
 void mod_zone_page_state(struct zone *zone, enum zone_stat_item item,
-                                       int delta)
+                        long delta)
 {
        mod_state(zone, item, delta, 0);
 }
@@ -384,7 +384,7 @@ EXPORT_SYMBOL(dec_zone_page_state);
  * Use interrupt disable to serialize counter updates
  */
 void mod_zone_page_state(struct zone *zone, enum zone_stat_item item,
-                                       int delta)
+                        long delta)
 {
        unsigned long flags;
 
index 5396ff0..12045de 100644 (file)
@@ -39,7 +39,7 @@ void br_init_port(struct net_bridge_port *p)
        struct switchdev_attr attr = {
                .id = SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME,
                .flags = SWITCHDEV_F_SKIP_EOPNOTSUPP | SWITCHDEV_F_DEFER,
-               .u.ageing_time = p->br->ageing_time,
+               .u.ageing_time = jiffies_to_clock_t(p->br->ageing_time),
        };
        int err;
 
index f34c31d..a09fb0d 100644 (file)
@@ -253,9 +253,6 @@ ipip_tunnel_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 
        p.i_key = p.o_key = 0;
        p.i_flags = p.o_flags = 0;
-       if (p.iph.ttl)
-               p.iph.frag_off |= htons(IP_DF);
-
        err = ip_tunnel_ioctl(dev, &p, cmd);
        if (err)
                return err;
index 1e0c3c8..7b0edb3 100644 (file)
@@ -259,7 +259,7 @@ static void xfrm4_dst_ifdown(struct dst_entry *dst, struct net_device *dev,
        xfrm_dst_ifdown(dst, dev);
 }
 
-static struct dst_ops xfrm4_dst_ops = {
+static struct dst_ops xfrm4_dst_ops_template = {
        .family =               AF_INET,
        .gc =                   xfrm4_garbage_collect,
        .update_pmtu =          xfrm4_update_pmtu,
@@ -273,7 +273,7 @@ static struct dst_ops xfrm4_dst_ops = {
 
 static struct xfrm_policy_afinfo xfrm4_policy_afinfo = {
        .family =               AF_INET,
-       .dst_ops =              &xfrm4_dst_ops,
+       .dst_ops =              &xfrm4_dst_ops_template,
        .dst_lookup =           xfrm4_dst_lookup,
        .get_saddr =            xfrm4_get_saddr,
        .decode_session =       _decode_session4,
@@ -295,7 +295,7 @@ static struct ctl_table xfrm4_policy_table[] = {
        { }
 };
 
-static int __net_init xfrm4_net_init(struct net *net)
+static int __net_init xfrm4_net_sysctl_init(struct net *net)
 {
        struct ctl_table *table;
        struct ctl_table_header *hdr;
@@ -323,7 +323,7 @@ err_alloc:
        return -ENOMEM;
 }
 
-static void __net_exit xfrm4_net_exit(struct net *net)
+static void __net_exit xfrm4_net_sysctl_exit(struct net *net)
 {
        struct ctl_table *table;
 
@@ -335,12 +335,44 @@ static void __net_exit xfrm4_net_exit(struct net *net)
        if (!net_eq(net, &init_net))
                kfree(table);
 }
+#else /* CONFIG_SYSCTL */
+static int inline xfrm4_net_sysctl_init(struct net *net)
+{
+       return 0;
+}
+
+static void inline xfrm4_net_sysctl_exit(struct net *net)
+{
+}
+#endif
+
+static int __net_init xfrm4_net_init(struct net *net)
+{
+       int ret;
+
+       memcpy(&net->xfrm.xfrm4_dst_ops, &xfrm4_dst_ops_template,
+              sizeof(xfrm4_dst_ops_template));
+       ret = dst_entries_init(&net->xfrm.xfrm4_dst_ops);
+       if (ret)
+               return ret;
+
+       ret = xfrm4_net_sysctl_init(net);
+       if (ret)
+               dst_entries_destroy(&net->xfrm.xfrm4_dst_ops);
+
+       return ret;
+}
+
+static void __net_exit xfrm4_net_exit(struct net *net)
+{
+       xfrm4_net_sysctl_exit(net);
+       dst_entries_destroy(&net->xfrm.xfrm4_dst_ops);
+}
 
 static struct pernet_operations __net_initdata xfrm4_net_ops = {
        .init   = xfrm4_net_init,
        .exit   = xfrm4_net_exit,
 };
-#endif
 
 static void __init xfrm4_policy_init(void)
 {
@@ -349,13 +381,9 @@ static void __init xfrm4_policy_init(void)
 
 void __init xfrm4_init(void)
 {
-       dst_entries_init(&xfrm4_dst_ops);
-
        xfrm4_state_init();
        xfrm4_policy_init();
        xfrm4_protocol_init();
-#ifdef CONFIG_SYSCTL
        register_pernet_subsys(&xfrm4_net_ops);
-#endif
 }
 
index 17f8e7e..1f21087 100644 (file)
@@ -5369,13 +5369,10 @@ static int addrconf_sysctl_stable_secret(struct ctl_table *ctl, int write,
                goto out;
        }
 
-       if (!write) {
-               err = snprintf(str, sizeof(str), "%pI6",
-                              &secret->secret);
-               if (err >= sizeof(str)) {
-                       err = -EIO;
-                       goto out;
-               }
+       err = snprintf(str, sizeof(str), "%pI6", &secret->secret);
+       if (err >= sizeof(str)) {
+               err = -EIO;
+               goto out;
        }
 
        err = proc_dostring(&lctl, write, buffer, lenp, ppos);
index 882124e..a8f6986 100644 (file)
@@ -552,7 +552,7 @@ static int ip6addrlbl_get(struct sk_buff *in_skb, struct nlmsghdr *nlh)
 
        rcu_read_lock();
        p = __ipv6_addr_label(net, addr, ipv6_addr_type(addr), ifal->ifal_index);
-       if (p && ip6addrlbl_hold(p))
+       if (p && !ip6addrlbl_hold(p))
                p = NULL;
        lseq = ip6addrlbl_table.seq;
        rcu_read_unlock();
index d6161e1..84afb9a 100644 (file)
@@ -1183,7 +1183,7 @@ static void ndisc_router_discovery(struct sk_buff *skb)
         */
        if (!in6_dev->cnf.accept_ra_from_local &&
            ipv6_chk_addr(dev_net(in6_dev->dev), &ipv6_hdr(skb)->saddr,
-                         NULL, 0)) {
+                         in6_dev->dev, 0)) {
                ND_PRINTK(2, info,
                          "RA from local address detected on dev: %s: default router ignored\n",
                          skb->dev->name);
@@ -1337,7 +1337,7 @@ skip_linkparms:
 #ifdef CONFIG_IPV6_ROUTE_INFO
        if (!in6_dev->cnf.accept_ra_from_local &&
            ipv6_chk_addr(dev_net(in6_dev->dev), &ipv6_hdr(skb)->saddr,
-                         NULL, 0)) {
+                         in6_dev->dev, 0)) {
                ND_PRINTK(2, info,
                          "RA from local address detected on dev: %s: router info ignored.\n",
                          skb->dev->name);
index 5643423..c074771 100644 (file)
@@ -279,7 +279,7 @@ static void xfrm6_dst_ifdown(struct dst_entry *dst, struct net_device *dev,
        xfrm_dst_ifdown(dst, dev);
 }
 
-static struct dst_ops xfrm6_dst_ops = {
+static struct dst_ops xfrm6_dst_ops_template = {
        .family =               AF_INET6,
        .gc =                   xfrm6_garbage_collect,
        .update_pmtu =          xfrm6_update_pmtu,
@@ -293,7 +293,7 @@ static struct dst_ops xfrm6_dst_ops = {
 
 static struct xfrm_policy_afinfo xfrm6_policy_afinfo = {
        .family =               AF_INET6,
-       .dst_ops =              &xfrm6_dst_ops,
+       .dst_ops =              &xfrm6_dst_ops_template,
        .dst_lookup =           xfrm6_dst_lookup,
        .get_saddr =            xfrm6_get_saddr,
        .decode_session =       _decode_session6,
@@ -325,7 +325,7 @@ static struct ctl_table xfrm6_policy_table[] = {
        { }
 };
 
-static int __net_init xfrm6_net_init(struct net *net)
+static int __net_init xfrm6_net_sysctl_init(struct net *net)
 {
        struct ctl_table *table;
        struct ctl_table_header *hdr;
@@ -353,7 +353,7 @@ err_alloc:
        return -ENOMEM;
 }
 
-static void __net_exit xfrm6_net_exit(struct net *net)
+static void __net_exit xfrm6_net_sysctl_exit(struct net *net)
 {
        struct ctl_table *table;
 
@@ -365,24 +365,52 @@ static void __net_exit xfrm6_net_exit(struct net *net)
        if (!net_eq(net, &init_net))
                kfree(table);
 }
+#else /* CONFIG_SYSCTL */
+static int inline xfrm6_net_sysctl_init(struct net *net)
+{
+       return 0;
+}
+
+static void inline xfrm6_net_sysctl_exit(struct net *net)
+{
+}
+#endif
+
+static int __net_init xfrm6_net_init(struct net *net)
+{
+       int ret;
+
+       memcpy(&net->xfrm.xfrm6_dst_ops, &xfrm6_dst_ops_template,
+              sizeof(xfrm6_dst_ops_template));
+       ret = dst_entries_init(&net->xfrm.xfrm6_dst_ops);
+       if (ret)
+               return ret;
+
+       ret = xfrm6_net_sysctl_init(net);
+       if (ret)
+               dst_entries_destroy(&net->xfrm.xfrm6_dst_ops);
+
+       return ret;
+}
+
+static void __net_exit xfrm6_net_exit(struct net *net)
+{
+       xfrm6_net_sysctl_exit(net);
+       dst_entries_destroy(&net->xfrm.xfrm6_dst_ops);
+}
 
 static struct pernet_operations xfrm6_net_ops = {
        .init   = xfrm6_net_init,
        .exit   = xfrm6_net_exit,
 };
-#endif
 
 int __init xfrm6_init(void)
 {
        int ret;
 
-       dst_entries_init(&xfrm6_dst_ops);
-
        ret = xfrm6_policy_init();
-       if (ret) {
-               dst_entries_destroy(&xfrm6_dst_ops);
+       if (ret)
                goto out;
-       }
        ret = xfrm6_state_init();
        if (ret)
                goto out_policy;
@@ -391,9 +419,7 @@ int __init xfrm6_init(void)
        if (ret)
                goto out_state;
 
-#ifdef CONFIG_SYSCTL
        register_pernet_subsys(&xfrm6_net_ops);
-#endif
 out:
        return ret;
 out_state:
@@ -405,11 +431,8 @@ out_policy:
 
 void xfrm6_fini(void)
 {
-#ifdef CONFIG_SYSCTL
        unregister_pernet_subsys(&xfrm6_net_ops);
-#endif
        xfrm6_protocol_fini();
        xfrm6_policy_fini();
        xfrm6_state_fini();
-       dst_entries_destroy(&xfrm6_dst_ops);
 }
index 7b9c053..edb3502 100644 (file)
@@ -94,7 +94,7 @@ nft_do_chain_netdev(void *priv, struct sk_buff *skb,
 {
        struct nft_pktinfo pkt;
 
-       switch (eth_hdr(skb)->h_proto) {
+       switch (skb->protocol) {
        case htons(ETH_P_IP):
                nft_netdev_set_pktinfo_ipv4(&pkt, skb, state);
                break;
index 8cbca34..9399215 100644 (file)
@@ -366,6 +366,7 @@ static int nft_ct_get_dump(struct sk_buff *skb, const struct nft_expr *expr)
                goto nla_put_failure;
 
        switch (priv->key) {
+       case NFT_CT_L3PROTOCOL:
        case NFT_CT_PROTOCOL:
        case NFT_CT_SRC:
        case NFT_CT_DST:
index 3e88922..e004067 100644 (file)
@@ -698,6 +698,10 @@ int ovs_ct_copy_action(struct net *net, const struct nlattr *attr,
                OVS_NLERR(log, "Failed to allocate conntrack template");
                return -ENOMEM;
        }
+
+       __set_bit(IPS_CONFIRMED_BIT, &ct_info.ct->status);
+       nf_conntrack_get(&ct_info.ct->ct_general);
+
        if (helper) {
                err = ovs_ct_add_helper(&ct_info, helper, key, log);
                if (err)
@@ -709,8 +713,6 @@ int ovs_ct_copy_action(struct net *net, const struct nlattr *attr,
        if (err)
                goto err_free_ct;
 
-       __set_bit(IPS_CONFIRMED_BIT, &ct_info.ct->status);
-       nf_conntrack_get(&ct_info.ct->ct_general);
        return 0;
 err_free_ct:
        __ovs_ct_free_action(&ct_info);
index 907d6fd..d1bd4a4 100644 (file)
@@ -2434,7 +2434,10 @@ static int set_action_to_attr(const struct nlattr *a, struct sk_buff *skb)
                if (!start)
                        return -EMSGSIZE;
 
-               err = ovs_nla_put_tunnel_info(skb, tun_info);
+               err =  ip_tun_to_nlattr(skb, &tun_info->key,
+                                       ip_tunnel_info_opts(tun_info),
+                                       tun_info->options_len,
+                                       ip_tunnel_info_af(tun_info));
                if (err)
                        return err;
                nla_nest_end(skb, start);
index cd34a4a..22c2bf3 100644 (file)
@@ -4829,7 +4829,8 @@ sctp_disposition_t sctp_sf_do_9_1_prm_abort(
 
        retval = SCTP_DISPOSITION_CONSUME;
 
-       sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(abort));
+       if (abort)
+               sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(abort));
 
        /* Even if we can't send the ABORT due to low memory delete the
         * TCB.  This is a departure from our typical NOMEM handling.
@@ -4966,7 +4967,8 @@ sctp_disposition_t sctp_sf_cookie_wait_prm_abort(
                        SCTP_TO(SCTP_EVENT_TIMEOUT_T1_INIT));
        retval = SCTP_DISPOSITION_CONSUME;
 
-       sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(abort));
+       if (abort)
+               sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(abort));
 
        sctp_add_cmd_sf(commands, SCTP_CMD_NEW_STATE,
                        SCTP_STATE(SCTP_STATE_CLOSED));
index 9b6cc6d..ef1d90f 100644 (file)
@@ -1301,8 +1301,9 @@ static int __sctp_setsockopt_connectx(struct sock *sk,
                                      int addrs_size,
                                      sctp_assoc_t *assoc_id)
 {
-       int err = 0;
        struct sockaddr *kaddrs;
+       gfp_t gfp = GFP_KERNEL;
+       int err = 0;
 
        pr_debug("%s: sk:%p addrs:%p addrs_size:%d\n",
                 __func__, sk, addrs, addrs_size);
@@ -1315,7 +1316,9 @@ static int __sctp_setsockopt_connectx(struct sock *sk,
                return -EFAULT;
 
        /* Alloc space for the address array in kernel memory.  */
-       kaddrs = kmalloc(addrs_size, GFP_KERNEL);
+       if (sk->sk_socket->file)
+               gfp = GFP_USER | __GFP_NOWARN;
+       kaddrs = kmalloc(addrs_size, gfp);
        if (unlikely(!kaddrs))
                return -ENOMEM;
 
@@ -1513,8 +1516,7 @@ static void sctp_close(struct sock *sk, long timeout)
                        struct sctp_chunk *chunk;
 
                        chunk = sctp_make_abort_user(asoc, NULL, 0);
-                       if (chunk)
-                               sctp_primitive_ABORT(net, asoc, chunk);
+                       sctp_primitive_ABORT(net, asoc, chunk);
                } else
                        sctp_primitive_SHUTDOWN(net, asoc, NULL);
        }
@@ -5773,7 +5775,7 @@ static int sctp_getsockopt_assoc_ids(struct sock *sk, int len,
 
        len = sizeof(struct sctp_assoc_ids) + sizeof(sctp_assoc_t) * num;
 
-       ids = kmalloc(len, GFP_KERNEL);
+       ids = kmalloc(len, GFP_USER | __GFP_NOWARN);
        if (unlikely(!ids))
                return -ENOMEM;
 
@@ -7199,6 +7201,8 @@ void sctp_copy_sock(struct sock *newsk, struct sock *sk,
 
        if (newsk->sk_flags & SK_FLAGS_TIMESTAMP)
                net_enable_timestamp();
+
+       security_sk_clone(sk, newsk);
 }
 
 static inline void sctp_copy_descendant(struct sock *sk_to,
index 29822d6..d730ef9 100644 (file)
@@ -257,6 +257,7 @@ static struct inode *sock_alloc_inode(struct super_block *sb)
        }
        init_waitqueue_head(&wq->wait);
        wq->fasync_list = NULL;
+       wq->flags = 0;
        RCU_INIT_POINTER(ei->socket.wq, wq);
 
        ei->socket.state = SS_UNCONNECTED;
index 948fa55..b5e665b 100644 (file)
@@ -2826,7 +2826,6 @@ static struct neighbour *xfrm_neigh_lookup(const struct dst_entry *dst,
 
 int xfrm_policy_register_afinfo(struct xfrm_policy_afinfo *afinfo)
 {
-       struct net *net;
        int err = 0;
        if (unlikely(afinfo == NULL))
                return -EINVAL;
@@ -2857,26 +2856,6 @@ int xfrm_policy_register_afinfo(struct xfrm_policy_afinfo *afinfo)
        }
        spin_unlock(&xfrm_policy_afinfo_lock);
 
-       rtnl_lock();
-       for_each_net(net) {
-               struct dst_ops *xfrm_dst_ops;
-
-               switch (afinfo->family) {
-               case AF_INET:
-                       xfrm_dst_ops = &net->xfrm.xfrm4_dst_ops;
-                       break;
-#if IS_ENABLED(CONFIG_IPV6)
-               case AF_INET6:
-                       xfrm_dst_ops = &net->xfrm.xfrm6_dst_ops;
-                       break;
-#endif
-               default:
-                       BUG();
-               }
-               *xfrm_dst_ops = *afinfo->dst_ops;
-       }
-       rtnl_unlock();
-
        return err;
 }
 EXPORT_SYMBOL(xfrm_policy_register_afinfo);
@@ -2912,22 +2891,6 @@ int xfrm_policy_unregister_afinfo(struct xfrm_policy_afinfo *afinfo)
 }
 EXPORT_SYMBOL(xfrm_policy_unregister_afinfo);
 
-static void __net_init xfrm_dst_ops_init(struct net *net)
-{
-       struct xfrm_policy_afinfo *afinfo;
-
-       rcu_read_lock();
-       afinfo = rcu_dereference(xfrm_policy_afinfo[AF_INET]);
-       if (afinfo)
-               net->xfrm.xfrm4_dst_ops = *afinfo->dst_ops;
-#if IS_ENABLED(CONFIG_IPV6)
-       afinfo = rcu_dereference(xfrm_policy_afinfo[AF_INET6]);
-       if (afinfo)
-               net->xfrm.xfrm6_dst_ops = *afinfo->dst_ops;
-#endif
-       rcu_read_unlock();
-}
-
 static int xfrm_dev_event(struct notifier_block *this, unsigned long event, void *ptr)
 {
        struct net_device *dev = netdev_notifier_info_to_dev(ptr);
@@ -3076,7 +3039,6 @@ static int __net_init xfrm_net_init(struct net *net)
        rv = xfrm_policy_init(net);
        if (rv < 0)
                goto out_policy;
-       xfrm_dst_ops_init(net);
        rv = xfrm_sysctl_init(net);
        if (rv < 0)
                goto out_sysctl;
index 698768b..301d70b 100644 (file)
 
 static int fd_map;     /* File descriptor for file being modified. */
 static int mmap_failed; /* Boolean flag. */
-static void *ehdr_curr; /* current ElfXX_Ehdr *  for resource cleanup */
 static char gpfx;      /* prefix for global symbol name (sometimes '_') */
 static struct stat sb; /* Remember .st_size, etc. */
 static jmp_buf jmpenv; /* setjmp/longjmp per-file error escape */
 static const char *altmcount;  /* alternate mcount symbol name */
 static int warn_on_notrace_sect; /* warn when section has mcount not being recorded */
+static void *file_map; /* pointer of the mapped file */
+static void *file_end; /* pointer to the end of the mapped file */
+static int file_updated; /* flag to state file was changed */
+static void *file_ptr; /* current file pointer location */
+static void *file_append; /* added to the end of the file */
+static size_t file_append_size; /* how much is added to end of file */
 
 /* setjmp() return values */
 enum {
@@ -67,10 +72,14 @@ static void
 cleanup(void)
 {
        if (!mmap_failed)
-               munmap(ehdr_curr, sb.st_size);
+               munmap(file_map, sb.st_size);
        else
-               free(ehdr_curr);
-       close(fd_map);
+               free(file_map);
+       file_map = NULL;
+       free(file_append);
+       file_append = NULL;
+       file_append_size = 0;
+       file_updated = 0;
 }
 
 static void __attribute__((noreturn))
@@ -92,12 +101,22 @@ succeed_file(void)
 static off_t
 ulseek(int const fd, off_t const offset, int const whence)
 {
-       off_t const w = lseek(fd, offset, whence);
-       if (w == (off_t)-1) {
-               perror("lseek");
+       switch (whence) {
+       case SEEK_SET:
+               file_ptr = file_map + offset;
+               break;
+       case SEEK_CUR:
+               file_ptr += offset;
+               break;
+       case SEEK_END:
+               file_ptr = file_map + (sb.st_size - offset);
+               break;
+       }
+       if (file_ptr < file_map) {
+               fprintf(stderr, "lseek: seek before file\n");
                fail_file();
        }
-       return w;
+       return file_ptr - file_map;
 }
 
 static size_t
@@ -114,12 +133,38 @@ uread(int const fd, void *const buf, size_t const count)
 static size_t
 uwrite(int const fd, void const *const buf, size_t const count)
 {
-       size_t const n = write(fd, buf, count);
-       if (n != count) {
-               perror("write");
-               fail_file();
+       size_t cnt = count;
+       off_t idx = 0;
+
+       file_updated = 1;
+
+       if (file_ptr + count >= file_end) {
+               off_t aoffset = (file_ptr + count) - file_end;
+
+               if (aoffset > file_append_size) {
+                       file_append = realloc(file_append, aoffset);
+                       file_append_size = aoffset;
+               }
+               if (!file_append) {
+                       perror("write");
+                       fail_file();
+               }
+               if (file_ptr < file_end) {
+                       cnt = file_end - file_ptr;
+               } else {
+                       cnt = 0;
+                       idx = aoffset - count;
+               }
        }
-       return n;
+
+       if (cnt)
+               memcpy(file_ptr, buf, cnt);
+
+       if (cnt < count)
+               memcpy(file_append + idx, buf + cnt, count - cnt);
+
+       file_ptr += count;
+       return count;
 }
 
 static void *
@@ -192,9 +237,7 @@ static int make_nop_arm64(void *map, size_t const offset)
  */
 static void *mmap_file(char const *fname)
 {
-       void *addr;
-
-       fd_map = open(fname, O_RDWR);
+       fd_map = open(fname, O_RDONLY);
        if (fd_map < 0 || fstat(fd_map, &sb) < 0) {
                perror(fname);
                fail_file();
@@ -203,15 +246,58 @@ static void *mmap_file(char const *fname)
                fprintf(stderr, "not a regular file: %s\n", fname);
                fail_file();
        }
-       addr = mmap(0, sb.st_size, PROT_READ|PROT_WRITE, MAP_PRIVATE,
-                   fd_map, 0);
+       file_map = mmap(0, sb.st_size, PROT_READ|PROT_WRITE, MAP_PRIVATE,
+                       fd_map, 0);
        mmap_failed = 0;
-       if (addr == MAP_FAILED) {
+       if (file_map == MAP_FAILED) {
                mmap_failed = 1;
-               addr = umalloc(sb.st_size);
-               uread(fd_map, addr, sb.st_size);
+               file_map = umalloc(sb.st_size);
+               uread(fd_map, file_map, sb.st_size);
+       }
+       close(fd_map);
+
+       file_end = file_map + sb.st_size;
+
+       return file_map;
+}
+
+static void write_file(const char *fname)
+{
+       char tmp_file[strlen(fname) + 4];
+       size_t n;
+
+       if (!file_updated)
+               return;
+
+       sprintf(tmp_file, "%s.rc", fname);
+
+       /*
+        * After reading the entire file into memory, delete it
+        * and write it back, to prevent weird side effects of modifying
+        * an object file in place.
+        */
+       fd_map = open(tmp_file, O_WRONLY | O_TRUNC | O_CREAT, sb.st_mode);
+       if (fd_map < 0) {
+               perror(fname);
+               fail_file();
+       }
+       n = write(fd_map, file_map, sb.st_size);
+       if (n != sb.st_size) {
+               perror("write");
+               fail_file();
+       }
+       if (file_append_size) {
+               n = write(fd_map, file_append, file_append_size);
+               if (n != file_append_size) {
+                       perror("write");
+                       fail_file();
+               }
+       }
+       close(fd_map);
+       if (rename(tmp_file, fname) < 0) {
+               perror(fname);
+               fail_file();
        }
-       return addr;
 }
 
 /* w8rev, w8nat, ...: Handle endianness. */
@@ -318,7 +404,6 @@ do_file(char const *const fname)
        Elf32_Ehdr *const ehdr = mmap_file(fname);
        unsigned int reltype = 0;
 
-       ehdr_curr = ehdr;
        w = w4nat;
        w2 = w2nat;
        w8 = w8nat;
@@ -441,6 +526,7 @@ do_file(char const *const fname)
        }
        }  /* end switch */
 
+       write_file(fname);
        cleanup();
 }
 
@@ -493,11 +579,14 @@ main(int argc, char *argv[])
                case SJ_SETJMP:    /* normal sequence */
                        /* Avoid problems if early cleanup() */
                        fd_map = -1;
-                       ehdr_curr = NULL;
                        mmap_failed = 1;
+                       file_map = NULL;
+                       file_ptr = NULL;
+                       file_updated = 0;
                        do_file(file);
                        break;
                case SJ_FAIL:    /* error in do_file or below */
+                       sprintf("%s: failed\n", file);
                        ++n_error;
                        break;
                case SJ_SUCCEED:    /* premature success */
index fb111ea..1c3872a 100644 (file)
@@ -751,16 +751,16 @@ long keyctl_read_key(key_serial_t keyid, char __user *buffer, size_t buflen)
 
        /* the key is probably readable - now try to read it */
 can_read_key:
-       ret = key_validate(key);
-       if (ret == 0) {
-               ret = -EOPNOTSUPP;
-               if (key->type->read) {
-                       /* read the data with the semaphore held (since we
-                        * might sleep) */
-                       down_read(&key->sem);
+       ret = -EOPNOTSUPP;
+       if (key->type->read) {
+               /* Read the data with the semaphore held (since we might sleep)
+                * to protect against the key being updated or revoked.
+                */
+               down_read(&key->sem);
+               ret = key_validate(key);
+               if (ret == 0)
                        ret = key->type->read(key, buffer, buflen);
-                       up_read(&key->sem);
-               }
+               up_read(&key->sem);
        }
 
 error2: